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Observation arc (Simple English Wikipedia)

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

Last modified:

Ref.Un. Ref.Website
Global rank Simple English rank
54nasa.gov
12th place
39th place
11twitter.com
43rd place
63rd place
11esa.int
1,073rd place
677th place

esa.int (Global: 1,073rd place; Simple English: 677th 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

nasa.gov (Global: 12th place; Simple English: 39th 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 Comet Swift–Tuttle
  • JPL Small-Body Database Browser for C/2001 OG108
    (Close approach uncertainty: (MaxDist of 0.434) – (MinDist of 0.408) * 149597870.7 = 3.9 million km)

twitter.com (Global: 43rd place; Simple English: 63rd place)