Sentry (monitoring system) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sentry (monitoring system)" in English language version.

refsWebsite

Global rank English rank

13nasa.gov

75^th place

83^rd place

3web.archive.org

1^st place

1hohmanntransfer.com

low place

1spacedys.com

low place

1archive.today

14^th place

archive.today (Global: 14^th place; English: 14^th place)

"Removed Objects". NASA/JPL Near-Earth Object Program Office. Archived from the original on 25 February 2017. Retrieved 16 February 2017.(Search for "P/" to list comets removed.)

hohmanntransfer.com (Global: low place; English: low place)

Jon Giorgini (30 July 2002). "Understanding Risk Pages". Columbine, Inc. (hohmanntransfer). Archived from the original on 8 December 2002. Retrieved 21 November 2011.

nasa.gov (Global: 75^th place; English: 83^rd place)

cneos.jpl.nasa.gov

"Sentry Risk Table". NASA/JPL Near-Earth Object Program Office. Retrieved 13 April 2017. (Click "Use Unconstrained Settings" to see how many objects are on the list; H<=22 for list of PHAs)
"Sentry Risk Table: 2015 RD36" (using 2022-Sep-13 solution). NASA JPL CNEOS. Retrieved 2 October 2022.
"VI (Virtual Impactor) Data". NASA/JPL Near-Earth Object Program Office. Retrieved 9 November 2022. Unconstrained Settings, Sort by Date. For objects larger than 50 meters and odds of impact better than 1:1 million also include Impact Probability ≥ 1e-6 and H≤24.
Sentry: 2017 SA20 (1244 VIs) using 2022-Aug-30 solution
"Sentry Notes". NASA/JPL Near-Earth Object Program Office. 12 August 2013. Retrieved 13 April 2017.
"Removed Objects". NASA/JPL Near-Earth Object Program Office. Archived from the original on 25 February 2017. Retrieved 16 February 2017.(Search for "P/" to list comets removed.)
"Scout: NEOCP Hazard Assessment". NASA/JPL Near-Earth Object Program Office. Retrieved 26 June 2019.

neo.jpl.nasa.gov

"IMPACT RISK ASSESSMENT: AN INTRODUCTION". NASA/JPL Near-Earth Object Program Office. 31 August 2005. Archived from the original on 19 April 2002. Retrieved 14 October 2011.
"2002 Archive of Sentry Risk Table". Archived from the original on 21 March 2002.

ssd.jpl.nasa.gov

"JPL Horizons: 2022 PX1 geocentric distance and uncertainty on 11 August 2040". JPL Horizons. Retrieved 13 March 2025.
"Horizons Batch for 2025-11-06 Virtual Impactor". JPL Horizons. Retrieved 3 February 2025. RNG_3sigma = uncertainty range in km. (JPL#7/Soln.date: 2021-Apr-15 generates RNG_3sigma = 934114563 km for 2025-Nov-06.)

science.nasa.gov

"Much Ado about 2000 SG344". NASA Science. NASA. Retrieved 27 September 2023.

jpl.nasa.gov

"NASA's Next-Generation Asteroid Impact Monitoring System Goes Online". NASA/JPL Near-Earth Object Program Office. 6 December 2021.

spacedys.com (Global: low place; English: low place)

newton.spacedys.com

"2005ED224 Ephemerides for March 2023". NEODyS (Near Earth Objects – Dynamic Site). Retrieved 26 March 2021. (Having not been observed since 2005 with an orbital period of 2.6±0.3 years, we do not know where on its orbit 2005 ED224 is.)

web.archive.org (Global: 1^st place; English: 1^st place)

Jon Giorgini (30 July 2002). "Understanding Risk Pages". Columbine, Inc. (hohmanntransfer). Archived from the original on 8 December 2002. Retrieved 21 November 2011.
"IMPACT RISK ASSESSMENT: AN INTRODUCTION". NASA/JPL Near-Earth Object Program Office. 31 August 2005. Archived from the original on 19 April 2002. Retrieved 14 October 2011.
"2002 Archive of Sentry Risk Table". Archived from the original on 21 March 2002.