Jump to content

英文维基 | 中文维基 | 日文维基 | 草榴社区

2020 FA31

From Wikipedia, the free encyclopedia

2020 FA31
Orbit of 2020 FA31
Discovery [1][2]
Discovered by
Discovery siteMauna Kea Obs.
Discovery date24 March 2020
(first imaged)
Designations
2020 FA31
Orbital characteristics[4]
Epoch 9 June 2020 (JD 2459009.5)
Uncertainty parameter 9
Observation arc0.82 yr (301 days)
Aphelion102.447±47.846 AU
Perihelion39.457±9.608 AU
70.952±33.137 AU
Eccentricity0.44389±0.39513
597.66±418.70 yr
132.132°±320.990°
0° 0m 5.937s / day
Inclination19.554°±0.030°
135.974°±0.152°
260.344°±137.100°
Physical characteristics
25.0[1]

2020 FA31 is a distant trans-Neptunian object that was discovered 97.2 AU (14.54 billion km) from the Sun by Scott Sheppard, David Tholen, and Chad Trujillo on 24 March 2020.[1] Announced on 14 February 2021, it is one of the most distant observable known objects in the Solar System.[4]

See also

[edit]

References

[edit]
  1. ^ a b c "MPEC 2021-C289 : 2020 FA31". Minor Planet Electronic Circular. Minor Planet Center. 14 February 2021. Retrieved 15 February 2021.
  2. ^ a b c "2020 FA31". Minor Planet Center. International Astronomical Union. Retrieved 15 February 2021.
  3. ^ "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. Retrieved 14 February 2021.
  4. ^ a b c d "JPL Small-Body Database Browser: (2020 FA31)" (2021-01-19 last obs.). Jet Propulsion Laboratory. Retrieved 15 February 2021.
[edit]