Sedna (dwarf planet) (English Wikipedia)

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Rommel, Flavia L.; Braga-Ribas, Felipe; Desmars, Josselin; Camargo, Julio I. B.; Ortiz, Jose-Luis; Sicardy, Bruno (December 2020). "Stellar occultations enable milliarcsecond astrometry for Trans-Neptunian objects and Centaurs". Astronomy & Astrophysics. 644: 15. arXiv:2010.12708. Bibcode:2020A&A...644A..40R. doi:10.1051/0004-6361/202039054. S2CID 225070222. A40.
Gaudi, B. Scott; Stanek, Krzysztof Z.; Hartman, Joel D.; Holman, Matthew J.; McLeod, Brian A. (2005). "On the Rotation Period of (90377) Sedna". The Astrophysical Journal. 629 (1): L49 – L52. arXiv:astro-ph/0503673. Bibcode:2005ApJ...629L..49G. doi:10.1086/444355. S2CID 55713175.
Pál, A.; Kiss, C.; Müller, T. G.; Santos-Sanz, P.; Vilenius, E.; Szalai, N.; Mommert, M.; Lellouch, E.; Rengel, M.; Hartogh, P.; Protopapa, S.; Stansberry, J.; Ortiz, J.-L.; Duffard, R.; Thirouin, A.; Henry, F.; Delsanti, A. (2012). ""TNOs are Cool": A survey of the trans-Neptunian region. VII. Size and surface characteristics of (90377) Sedna and 2010 EK₁₃₉". Astronomy & Astrophysics. 541: L6. arXiv:1204.0899. Bibcode:2012A&A...541L...6P. doi:10.1051/0004-6361/201218874. S2CID 119117186.
Brown, Mike; Rabinowitz, David; Trujillo, Chad (2004). "Discovery of a Candidate Inner Oort Cloud Planetoid". Astrophysical Journal. 617 (1): 645–649. arXiv:astro-ph/0404456. Bibcode:2004ApJ...617..645B. doi:10.1086/422095. S2CID 7738201.
Batygin, Konstantin; Brown, Michael E. (2016). "Evidence for a Distant Giant Planet in the Solar System". The Astronomical Journal. 151 (2): 22. arXiv:1601.05438. Bibcode:2016AJ....151...22B. doi:10.3847/0004-6256/151/2/22. S2CID 2701020.
Kaib, Nathan A.; Becker, Andrew C.; Jones, R. Lynne; Puckett, Andrew W.; Bizyaev, Dmitry; Dilday, Benjamin; Frieman, Joshua A.; Oravetz, Daniel J.; Pan, Kaike; Quinn, Thomas; Schneider, Donald P.; Watters, Shannon (2009). "2006 SQ372: A Likely Long-Period Comet from the Inner Oort Cloud". The Astrophysical Journal. 695 (1): 268–275. arXiv:0901.1690. Bibcode:2009ApJ...695..268K. doi:10.1088/0004-637X/695/1/268. S2CID 16987581.
Grundy, W. M.; Noll, K. S.; Stephens, D. C. (2005). "Diverse Albedos of Small Trans-Neptunian Objects". Icarus. 176 (1). Lowell Observatory, Space Telescope Science Institute: 184–191. arXiv:astro-ph/0502229. Bibcode:2005Icar..176..184G. doi:10.1016/j.icarus.2005.01.007. S2CID 118866288. Archived from the original on 29 October 2023. Retrieved 21 June 2023.
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Trujillo, Chadwick A.; Brown, Michael E.; Rabinowitz, David L.; Geballe, Thomas R. (2005). "Near-Infrared Surface Properties of the Two Intrinsically Brightest Minor Planets: (90377) Sedna and (90482) Orcus". The Astrophysical Journal. 627 (2): 1057–1065. arXiv:astro-ph/0504280. Bibcode:2005ApJ...627.1057T. doi:10.1086/430337. S2CID 9149700.
Sheppard, Scott S. (2010). "The colors of extreme outer Solar System objects". The Astronomical Journal. 139 (4): 1394–1405. arXiv:1001.3674. Bibcode:2010AJ....139.1394S. doi:10.1088/0004-6256/139/4/1394. S2CID 53545974.
Emery, J. P.; Wong, I.; Brunetto, R.; Cook, J. C.; Pinilla-Alonso, N.; Stansberry, J. A.; Holler, B. J.; Grundy, W. M.; Protopapa, S.; Souza-Feliciano, A. C.; Fernández-Valenzuela, E.; Lunine, J. I.; Hines, D. C. (2024). "A Tale of 3 Dwarf Planets: Ices and Organics on Sedna, Gonggong, and Quaoar from JWST Spectroscopy". Icarus. 414. arXiv:2309.15230. Bibcode:2024Icar..41416017E. doi:10.1016/j.icarus.2024.116017.
Jewitt, David; Morbidelli, Alessandro; Rauer, Heike (2007). Trans-Neptunian Objects and Comets: Saas-Fee Advanced Course 35. Swiss Society for Astrophysics and Astronomy. Berlin: Springer. p. 86. arXiv:astro-ph/0512256v1. Bibcode:2005astro.ph.12256M. ISBN 978-3-540-71957-1.
Stern, S. Alan (2005). "Regarding the accretion of 2003 VB12 (Sedna) and like bodies in distant heliocentric orbits". The Astronomical Journal. 129 (1): 526–529. arXiv:astro-ph/0404525. Bibcode:2005AJ....129..526S. doi:10.1086/426558. S2CID 119430069.
Morbidelli, Alessandro; Levison, Harold F. (2004). "Scenarios for the Origin of the Orbits of the Trans-Neptunian Objects 2000 CR105 and 2003 VB12 (Sedna)". The Astronomical Journal. 128 (5): 2564–2576. arXiv:astro-ph/0403358. Bibcode:2004AJ....128.2564M. doi:10.1086/424617. S2CID 119486916.
Kenyon, Scott J.; Bromley, Benjamin C. (2 December 2004). "Stellar encounters as the origin of distant Solar System objects in highly eccentric orbits". Nature. 432 (7017): 598–602. arXiv:astro-ph/0412030. Bibcode:2004Natur.432..598K. doi:10.1038/nature03136. PMID 15577903. S2CID 4427211. Archived from the original on 29 October 2023. Retrieved 21 June 2023.
Lykawka, P. S.; Mukai, T. (2008). "An Outer Planet Beyond Pluto and the Origin of the Trans-Neptunian Belt Architecture". The Astronomical Journal. 135 (4): 1161–1200. arXiv:0712.2198. Bibcode:2008AJ....135.1161L. doi:10.1088/0004-6256/135/4/1161. S2CID 118414447.
Brown, Michael E.; Batygin, Konstantin (31 January 2022). "A search for Planet Nine using the Zwicky Transient Facility public archive". The Astronomical Journal. 163 (2): 102. arXiv:2110.13117. Bibcode:2022AJ....163..102B. doi:10.3847/1538-3881/ac32dd. S2CID 239768690.
Schwamb, Megan E.; Brown, Michael E.; Rabinowitz, David L. (2009). "A Search for Distant Solar System Bodies in the Region of Sedna". The Astrophysical Journal Letters. 694 (1): L45 – L48. arXiv:0901.4173. Bibcode:2009ApJ...694L..45S. doi:10.1088/0004-637X/694/1/L45. S2CID 15072103.
Sheppard, Scott S.; Trujillo, Chadwick A.; Tholen, David J.; Kaib, Nathan (April 2019). "A New High Perihelion Trans-Plutonian Inner Oort Cloud Object: 2015 TG387". The Astronomical Journal. 157 (4): 139. arXiv:1810.00013. Bibcode:2019AJ....157..139S. doi:10.3847/1538-3881/ab0895. ISSN 0004-6256. S2CID 119071596.
Rice, Malena; Laughlin, Gregory (December 2020). "Exploring Trans-Neptunian Space with TESS: A Targeted Shift-stacking Search for Planet Nine and Distant TNOs in the Galactic Plane". The Planetary Science Journal. 1 (3): 81 (18 pp.). arXiv:2010.13791. Bibcode:2020PSJ.....1...81R. doi:10.3847/PSJ/abc42c. S2CID 225075671.
Zubko, Vladislav (March 2022). "The fastest routes of approach to dwarf planet Sedna for studying its surface and composition at the close range". Acta Astronautica. 192: 47–67. arXiv:2112.11506. Bibcode:2022AcAau.192...47Z. doi:10.1016/j.actaastro.2021.12.011. S2CID 245172065.
Zubko, V. A.; Sukhanov, A. A.; Fedyaev, K. S.; Koryanov, V. V.; Belyaev, A. A. (October 2021). "Analysis of mission opportunities to Sedna in 2029–2034". Advances in Space Research. 68 (7): 2752–2775. arXiv:2112.13017. Bibcode:2021AdSpR..68.2752Z. doi:10.1016/j.asr.2021.05.035. S2CID 236278655. Archived from the original on 2 April 2022. Retrieved 11 July 2022.

bbc.co.uk

news.bbc.co.uk

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caltech.edu

gps.caltech.edu

Brown, Mike. "Sedna". Caltech. Archived from the original on 25 July 2010. Retrieved 20 July 2010.
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astro.caltech.edu

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caltech.edu

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carnegiescience.edu

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cern.ch

cds.cern.ch

Grundy, W. M.; Noll, K. S.; Stephens, D. C. (2005). "Diverse Albedos of Small Trans-Neptunian Objects". Icarus. 176 (1). Lowell Observatory, Space Telescope Science Institute: 184–191. arXiv:astro-ph/0502229. Bibcode:2005Icar..176..184G. doi:10.1016/j.icarus.2005.01.007. S2CID 118866288. Archived from the original on 29 October 2023. Retrieved 21 June 2023.
Kenyon, Scott J.; Bromley, Benjamin C. (2 December 2004). "Stellar encounters as the origin of distant Solar System objects in highly eccentric orbits". Nature. 432 (7017): 598–602. arXiv:astro-ph/0412030. Bibcode:2004Natur.432..598K. doi:10.1038/nature03136. PMID 15577903. S2CID 4427211. Archived from the original on 29 October 2023. Retrieved 21 June 2023.

ciw.edu

dtm.ciw.edu

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discovermagazine.com

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doi.org

Lellouch, E.; Santos-Sanz, P.; Lacerda, P.; Mommert, M.; Duffard, R.; Ortiz, J. L.; Müller, T. G.; Fornasier, S.; Stansberry, J.; Kiss, Cs.; Vilenius, E.; Mueller, M.; Peixinho, N.; Moreno, R.; Groussin, O. (29 September 2013). ""TNOs are Cool": A survey of the trans-Neptunian region: IX. Thermal properties of Kuiper belt objects and Centaurs from combined Herschel and Spitzer observations⋆⋆⋆". Astronomy & Astrophysics. 557: A60. Bibcode:2013A&A...557A..60L. doi:10.1051/0004-6361/201322047. hdl:10316/80307. ISSN 0004-6361.
Rommel, Flavia L.; Braga-Ribas, Felipe; Desmars, Josselin; Camargo, Julio I. B.; Ortiz, Jose-Luis; Sicardy, Bruno (December 2020). "Stellar occultations enable milliarcsecond astrometry for Trans-Neptunian objects and Centaurs". Astronomy & Astrophysics. 644: 15. arXiv:2010.12708. Bibcode:2020A&A...644A..40R. doi:10.1051/0004-6361/202039054. S2CID 225070222. A40.
Gaudi, B. Scott; Stanek, Krzysztof Z.; Hartman, Joel D.; Holman, Matthew J.; McLeod, Brian A. (2005). "On the Rotation Period of (90377) Sedna". The Astrophysical Journal. 629 (1): L49 – L52. arXiv:astro-ph/0503673. Bibcode:2005ApJ...629L..49G. doi:10.1086/444355. S2CID 55713175.
Pál, A.; Kiss, C.; Müller, T. G.; Santos-Sanz, P.; Vilenius, E.; Szalai, N.; Mommert, M.; Lellouch, E.; Rengel, M.; Hartogh, P.; Protopapa, S.; Stansberry, J.; Ortiz, J.-L.; Duffard, R.; Thirouin, A.; Henry, F.; Delsanti, A. (2012). ""TNOs are Cool": A survey of the trans-Neptunian region. VII. Size and surface characteristics of (90377) Sedna and 2010 EK₁₃₉". Astronomy & Astrophysics. 541: L6. arXiv:1204.0899. Bibcode:2012A&A...541L...6P. doi:10.1051/0004-6361/201218874. S2CID 119117186.
Brown, Mike; Rabinowitz, David; Trujillo, Chad (2004). "Discovery of a Candidate Inner Oort Cloud Planetoid". Astrophysical Journal. 617 (1): 645–649. arXiv:astro-ph/0404456. Bibcode:2004ApJ...617..645B. doi:10.1086/422095. S2CID 7738201.
Batygin, Konstantin; Brown, Michael E. (2016). "Evidence for a Distant Giant Planet in the Solar System". The Astronomical Journal. 151 (2): 22. arXiv:1601.05438. Bibcode:2016AJ....151...22B. doi:10.3847/0004-6256/151/2/22. S2CID 2701020.
Kaib, Nathan A.; Becker, Andrew C.; Jones, R. Lynne; Puckett, Andrew W.; Bizyaev, Dmitry; Dilday, Benjamin; Frieman, Joshua A.; Oravetz, Daniel J.; Pan, Kaike; Quinn, Thomas; Schneider, Donald P.; Watters, Shannon (2009). "2006 SQ372: A Likely Long-Period Comet from the Inner Oort Cloud". The Astrophysical Journal. 695 (1): 268–275. arXiv:0901.1690. Bibcode:2009ApJ...695..268K. doi:10.1088/0004-637X/695/1/268. S2CID 16987581.
Trujillo, Chadwick A.; Sheppard, S. S. (2014). "A Sedna-like body with a perihelion of 80 astronomical units". Nature. 507 (7493): 471–474. Bibcode:2014Natur.507..471T. doi:10.1038/nature13156. PMID 24670765. S2CID 4393431.
Grundy, W. M.; Noll, K. S.; Stephens, D. C. (2005). "Diverse Albedos of Small Trans-Neptunian Objects". Icarus. 176 (1). Lowell Observatory, Space Telescope Science Institute: 184–191. arXiv:astro-ph/0502229. Bibcode:2005Icar..176..184G. doi:10.1016/j.icarus.2005.01.007. S2CID 118866288. Archived from the original on 29 October 2023. Retrieved 21 June 2023.
Emery, J. P.; Ore, C. M. Dalle; Cruikshank, D. P.; Fernández, Y. R.; Trilling, D. E.; Stansberry, J. A. (2007). "Ices on 90377 Sedna: Conformation and compositional constraints". Astronomy and Astrophysics. 406 (1): 395–398. Bibcode:2007A&A...466..395E. doi:10.1051/0004-6361:20067021.
Trujillo, Chadwick A.; Brown, Michael E.; Rabinowitz, David L.; Geballe, Thomas R. (2005). "Near-Infrared Surface Properties of the Two Intrinsically Brightest Minor Planets: (90377) Sedna and (90482) Orcus". The Astrophysical Journal. 627 (2): 1057–1065. arXiv:astro-ph/0504280. Bibcode:2005ApJ...627.1057T. doi:10.1086/430337. S2CID 9149700.
Sheppard, Scott S. (2010). "The colors of extreme outer Solar System objects". The Astronomical Journal. 139 (4): 1394–1405. arXiv:1001.3674. Bibcode:2010AJ....139.1394S. doi:10.1088/0004-6256/139/4/1394. S2CID 53545974.
Barucci, M. A.; Cruikshank, D. P.; Dotto, E.; Merlin, F.; Poulet, F.; Dalle Ore, C.; Fornasier, S.; De Bergh, C. (2005). "Is Sedna another Triton?". Astronomy & Astrophysics. 439 (2): L1 – L4. Bibcode:2005A&A...439L...1B. doi:10.1051/0004-6361:200500144.
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Emery, J. P.; Wong, I.; Brunetto, R.; Cook, J. C.; Pinilla-Alonso, N.; Stansberry, J. A.; Holler, B. J.; Grundy, W. M.; Protopapa, S.; Souza-Feliciano, A. C.; Fernández-Valenzuela, E.; Lunine, J. I.; Hines, D. C. (2024). "A Tale of 3 Dwarf Planets: Ices and Organics on Sedna, Gonggong, and Quaoar from JWST Spectroscopy". Icarus. 414. arXiv:2309.15230. Bibcode:2024Icar..41416017E. doi:10.1016/j.icarus.2024.116017.
Lykawka, Patryk Sofia; Mukai, Tadashi (2007). "Dynamical classification of trans-Neptunian objects: Probing their origin, evolution, and interrelation". Icarus. 189 (1): 213–232. Bibcode:2007Icar..189..213L. doi:10.1016/j.icarus.2007.01.001.
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Morbidelli, Alessandro; Levison, Harold F. (2004). "Scenarios for the Origin of the Orbits of the Trans-Neptunian Objects 2000 CR105 and 2003 VB12 (Sedna)". The Astronomical Journal. 128 (5): 2564–2576. arXiv:astro-ph/0403358. Bibcode:2004AJ....128.2564M. doi:10.1086/424617. S2CID 119486916.
Kenyon, Scott J.; Bromley, Benjamin C. (2 December 2004). "Stellar encounters as the origin of distant Solar System objects in highly eccentric orbits". Nature. 432 (7017): 598–602. arXiv:astro-ph/0412030. Bibcode:2004Natur.432..598K. doi:10.1038/nature03136. PMID 15577903. S2CID 4427211. Archived from the original on 29 October 2023. Retrieved 21 June 2023.
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Brown, Michael E.; Batygin, Konstantin (31 January 2022). "A search for Planet Nine using the Zwicky Transient Facility public archive". The Astronomical Journal. 163 (2): 102. arXiv:2110.13117. Bibcode:2022AJ....163..102B. doi:10.3847/1538-3881/ac32dd. S2CID 239768690.
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Sheppard, Scott S.; Trujillo, Chadwick A.; Tholen, David J.; Kaib, Nathan (April 2019). "A New High Perihelion Trans-Plutonian Inner Oort Cloud Object: 2015 TG387". The Astronomical Journal. 157 (4): 139. arXiv:1810.00013. Bibcode:2019AJ....157..139S. doi:10.3847/1538-3881/ab0895. ISSN 0004-6256. S2CID 119071596.
Rice, Malena; Laughlin, Gregory (December 2020). "Exploring Trans-Neptunian Space with TESS: A Targeted Shift-stacking Search for Planet Nine and Distant TNOs in the Galactic Plane". The Planetary Science Journal. 1 (3): 81 (18 pp.). arXiv:2010.13791. Bibcode:2020PSJ.....1...81R. doi:10.3847/PSJ/abc42c. S2CID 225075671.
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elsevier.com

linkinghub.elsevier.com

Zubko, V. A.; Sukhanov, A. A.; Fedyaev, K. S.; Koryanov, V. V.; Belyaev, A. A. (October 2021). "Analysis of mission opportunities to Sedna in 2029–2034". Advances in Space Research. 68 (7): 2752–2775. arXiv:2112.13017. Bibcode:2021AdSpR..68.2752Z. doi:10.1016/j.asr.2021.05.035. S2CID 236278655. Archived from the original on 2 April 2022. Retrieved 11 July 2022.

handle.net

hdl.handle.net

Lellouch, E.; Santos-Sanz, P.; Lacerda, P.; Mommert, M.; Duffard, R.; Ortiz, J. L.; Müller, T. G.; Fornasier, S.; Stansberry, J.; Kiss, Cs.; Vilenius, E.; Mueller, M.; Peixinho, N.; Moreno, R.; Groussin, O. (29 September 2013). ""TNOs are Cool": A survey of the trans-Neptunian region: IX. Thermal properties of Kuiper belt objects and Centaurs from combined Herschel and Spitzer observations⋆⋆⋆". Astronomy & Astrophysics. 557: A60. Bibcode:2013A&A...557A..60L. doi:10.1051/0004-6361/201322047. hdl:10316/80307. ISSN 0004-6361.

harvard.edu

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Lellouch, E.; Santos-Sanz, P.; Lacerda, P.; Mommert, M.; Duffard, R.; Ortiz, J. L.; Müller, T. G.; Fornasier, S.; Stansberry, J.; Kiss, Cs.; Vilenius, E.; Mueller, M.; Peixinho, N.; Moreno, R.; Groussin, O. (29 September 2013). ""TNOs are Cool": A survey of the trans-Neptunian region: IX. Thermal properties of Kuiper belt objects and Centaurs from combined Herschel and Spitzer observations⋆⋆⋆". Astronomy & Astrophysics. 557: A60. Bibcode:2013A&A...557A..60L. doi:10.1051/0004-6361/201322047. hdl:10316/80307. ISSN 0004-6361.
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Different programs using different epochs and/or data sets will produce slightly different dates for Sedna's perihelion as they generate instantaneous unperturbed 2-body solutions. Using a 2020 epoch, the JPL Small-Body Database has a perihelion date of 9 March 2076.^[2] Using a 1990 epoch the Lowell DES has perihelion on 2479285.9863 (14 December 2075). As of 2021^[update], the JPL Horizons (using much more accurate numerical integration) indicates a perihelion date of 18 July 2076.^[6]
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Grundy, W. M.; Noll, K. S.; Buie, M. W.; Benecchi, S. D.; Ragozzine, D.; Roe, H. G. (December 2019). "The mutual orbit, mass, and density of transneptunian binary Gǃkúnǁʼhòmdímà ((229762) 2007 UK₁₂₆)" (PDF). Icarus. 334: 30–38. Bibcode:2019Icar..334...30G. doi:10.1016/j.icarus.2018.12.037. S2CID 126574999. Archived (PDF) from the original on 7 April 2019.
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newton.spacedys.com

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stsci.edu

archive.stsci.edu

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surewest.net

home.surewest.net

Horizons output. "Barycentric Osculating Orbital Elements for 90377 Sedna (2003 VB12)". Archived from the original on 17 October 2023. Retrieved 18 September 2021. (Solution using the Solar System barycenter. Select Ephemeris Type:Elements and Center:@0) (Saved Horizons output file 2011-Feb-04 "Barycentric Osculating Orbital Elements for 90377 Sedna". Archived from the original on 19 November 2012.) In the second pane "PR=" can be found, which gives the orbital period in days (4.160E+06, which is 11,390 Julian years).
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swri.edu

boulder.swri.edu

Different programs using different epochs and/or data sets will produce slightly different dates for Sedna's perihelion as they generate instantaneous unperturbed 2-body solutions. Using a 2020 epoch, the JPL Small-Body Database has a perihelion date of 9 March 2076.^[2] Using a 1990 epoch the Lowell DES has perihelion on 2479285.9863 (14 December 2075). As of 2021^[update], the JPL Horizons (using much more accurate numerical integration) indicates a perihelion date of 18 July 2076.^[6]
Buie, Marc W. (22 November 2009). "Orbit Fit and Astrometric record for 90377". Deep Ecliptic Survey. Archived from the original on 20 May 2011. Retrieved 17 January 2006.
Stern, S. Alan; Levison, Harold F. (2002). "Regarding the criteria for planethood and proposed planetary classification schemes" (PDF). Highlights of Astronomy. 12: 205–213, as presented at the XXIVth General Assembly of the IAU–2000 [Manchester, UK, 7–18 August 2000]. Bibcode:2002HiA....12..205S. doi:10.1017/S1539299600013289. Archived (PDF) from the original on 23 September 2015. Retrieved 6 August 2010.

tennessee.edu

trace.tennessee.edu

Brickley, Samuel; Domenech, Iliane; Franceschetti, Lorenzo; Sarappo, John; Lyne, James Evans (May 2023). "Investigation of Interplanetary Trajectories to Sedna". AAS 23-420, AAS/AIAA Astrodynamics Specialist Conference, Big Sky, Montana, August 2023. Archived from the original on 2 September 2023. Retrieved 1 September 2023.

theskylive.com

"Star Maps of Asteroid 90377 Sedna (2003 VB12) | TheSkyLive". 10 January 2024. Archived from the original on 10 January 2024. Retrieved 10 January 2024.

unicode.org

"Miscellaneous Symbols and Arrows" (PDF). unicode.org. Unicode. 1991–2021. Archived (PDF) from the original on 2 August 2022. Retrieved 6 August 2022. 2BF2 ⯲ SEDNA
Faulks, David (12 June 2016). "Eris and Sedna Symbols" (PDF). unicode.org. Archived from the original (PDF) on 8 May 2017.

universetoday.com

Dickinson, David (6 August 2015). "Stealing Sedna". universetoday. Archived from the original on 15 November 2021. Retrieved 15 January 2023.

usra.edu

lpi.usra.edu

Slyuta, E. N.; Kreslavsky, M. A. (1990). Intermediate (20–100 KM ) Sized Volcanic Edifices on Venus (PDF). Lunar and planetary science XXI. Lunar and Planetary Institute. p. 1174. Archived (PDF) from the original on 15 January 2021. Retrieved 29 February 2020(for Sedna Planitia){{cite conference}}: CS1 maint: postscript (link)
Stansberry, John; Grundy, Will; Brown, Mike; Cruikshank, Dale; Spencer, John; Trilling, David; Margot, Jean-Luc (2008). "Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope" (PDF). In Barucci, M. Antonietta; Boehnhardt, Hermann; Cruikshank, Dale P. (eds.). The Solar System Beyond Neptune. University of Arizona Press. pp. 161–179. arXiv:astro-ph/0702538v2. Bibcode:2008ssbn.book..161S. ISBN 978-0-8165-2755-7. Archived (PDF) from the original on 25 October 2012. Retrieved 15 August 2010.
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web.archive.org

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wikipedia.org

en.wikipedia.org

Different programs using different epochs and/or data sets will produce slightly different dates for Sedna's perihelion as they generate instantaneous unperturbed 2-body solutions. Using a 2020 epoch, the JPL Small-Body Database has a perihelion date of 9 March 2076.^[2] Using a 1990 epoch the Lowell DES has perihelion on 2479285.9863 (14 December 2075). As of 2021^[update], the JPL Horizons (using much more accurate numerical integration) indicates a perihelion date of 18 July 2076.^[6]

wolframalpha.com

Calculated: https://www.wolframalpha.com/input?i=G*solar+mass%2FAU%281%2F76.19-1%2F937%29%3D1%2F2*%28x+m%2Fs%29%5E2%28%28937%2F76.19%29%5E2-1%29

worldcat.org

search.worldcat.org

Lellouch, E.; Santos-Sanz, P.; Lacerda, P.; Mommert, M.; Duffard, R.; Ortiz, J. L.; Müller, T. G.; Fornasier, S.; Stansberry, J.; Kiss, Cs.; Vilenius, E.; Mueller, M.; Peixinho, N.; Moreno, R.; Groussin, O. (29 September 2013). ""TNOs are Cool": A survey of the trans-Neptunian region: IX. Thermal properties of Kuiper belt objects and Centaurs from combined Herschel and Spitzer observations⋆⋆⋆". Astronomy & Astrophysics. 557: A60. Bibcode:2013A&A...557A..60L. doi:10.1051/0004-6361/201322047. hdl:10316/80307. ISSN 0004-6361.
Sheppard, Scott S.; Trujillo, Chadwick A.; Tholen, David J.; Kaib, Nathan (April 2019). "A New High Perihelion Trans-Plutonian Inner Oort Cloud Object: 2015 TG387". The Astronomical Journal. 157 (4): 139. arXiv:1810.00013. Bibcode:2019AJ....157..139S. doi:10.3847/1538-3881/ab0895. ISSN 0004-6256. S2CID 119071596.
Rambaux, Nicolas; Baguet, Daniel; Chambat, Frederic; Castillo-Rogez, Julie C. (15 November 2017). "Equilibrium Shapes of Large Trans-Neptunian Objects". The Astrophysical Journal. 850 (1): L9. Bibcode:2017ApJ...850L...9R. doi:10.3847/2041-8213/aa95bd. ISSN 2041-8213. S2CID 62822239.

x.com

Bannister, Michelle [@astrokiwi] (27 March 2018). "#TNO2018" (Tweet). Retrieved 27 March 2018 – via Twitter. the census of dwarf planet satellites shows all the biggest systems seem to have satellites. Sedna isn't known to, but any satellite would spend at least a quarter of its time lost in Sedna's glare [...] no additional satellites for Makemake, Eris and OR10 down to 26th mag. Haumea has already been checked. Sedna the last remaining to double-check!