Observation arc (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Observation arc" in English language version.

Last modified: 17:02:01, 3 March 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

12^th place

73^rd place

22minorplanetcenter.net

123^rd place

779^th place

43^rd place

43^rd place

1,073^rd place

1,115^th place

11web.archive.org

1^st place

1^st place

esa.int (Global: 1,073^rd place; English: 1,115^th place)

blogs.esa.int

"How to determine the orbit of a comet?". esa. 2014-03-07. Retrieved 2022-01-08. It took 44 days of observation to achieve even a semblance of an orbit determination – one that was still all over the place

minorplanetcenter.net (Global: 123^rd place; English: 779^th place)

"MPEC 2017-K35 : COMET C/2017 K2 (PANSTARRS)". IAU Minor Planet Center. 2017-05-24. Retrieved 2017-10-21. (CK17K020) T 2027 Jan. 5
"MPEC 2022-A59 : COMET C/2022 A1 (Sarneczky)". IAU Minor Planet Center. 2022-01-07. Retrieved 2022-01-08. (CK22A010)

nasa.gov (Global: 12^th place; English: 73^rd place)

ssd.jpl.nasa.gov

JPL Small-Body Database Browser for 2018 AG37
JPL Small-Body Database Browser for 1999 DP8. Discovery date Ephemeris table setting: #39. Range & range-rate = 6.8E+11 / AU / 3-sigma = 1500 AU
JPL Small-Body Database Browser for C/2008 J4 (McNaught)
e = 0.9977 to 1.017
semi-major axis = −58
v=42.1219 √1/50000 − 0.5/−58
JPL Small-Body Database Browser for C/1999 U2 (SOHO)
"C/1991 L3 (Levy) geocentric distance and uncertainty on 2094-Aug-03".
JPL Small-Body Database Browser for Comet Swift–Tuttle
JPL Small-Body Database Browser for C/2001 OG108
(Close approach uncertainty: (MaxDist of 0.430) – (MinDist of 0.404) * 149597870.7 = 3.9 million km)
C/2022 A1 (Sarneczky) Close approach table at JPL SBDB and Uncertainty region archive

twitter.com (Global: 43^rd place; English: 43^rd place)

TNOs really do require patience; 2-3 years is only just enough to say anything about the orbit parameters – Astronomer Michele Bannister (4 April 2018)

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

C/2022 A1 (Sarneczky) Close approach table at JPL SBDB and Uncertainty region archive