(543354) 2014 AN55

(543354) 2014 AN55
Discovery[1]
Discovered byPan-STARRS 1
Discovery siteHaleakala Obs.
Discovery date25 January 2014
Designations
2014 AN55
TNO[2] · SDO[3]
distant[1]
Orbital characteristics[2]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 2[2] · 0[1]
Observation arc14.86 yr (5,429 d)
Earliest precovery date12 March 2005
Aphelion77.584 AU
Perihelion34.256 AU
55.920 AU
Eccentricity0.3874
418.18 yr (152,739 d)
317.05°
0° 0m 8.64s / day
Inclination9.4372°
283.94°
≈ 8 March 2070[4]
±1.5 days
307.63°
Physical characteristics
583 km (est.)[5]
671 km (est.)[3][6]
0.09 (assumed)[3]
0.10 (assumed)[5]
4.1[1][2]
4.3[7]

(543354) 2014 AN55 (provisional designation 2014 AN55) is a trans-Neptunian object in the scattered disc, located in the outermost region of the Solar System, that measures approximately 600 kilometres (370 mi) in diameter. It was discovered on 25 January 2014, by astronomers with the Pan-STARRS survey at Haleakala Observatory on the island of Maui, Hawaii, in the United States.[1]

  1. ^ a b c d e Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference jpldata was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference johnstonsarchive-TNO-list was invoked but never defined (see the help page).
  4. ^ JPL Horizons Observer Location: @sun (Perihelion occurs when deldot changes from negative to positive. Uncertainty in time of perihelion is 3-sigma.)
  5. ^ a b Cite error: The named reference Brown-dplist was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference h was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference AstDys-object was invoked but never defined (see the help page).