20461 Dioretsa

20461 Dioretsa
Discovery [1]
Discovered byLINEAR
Discovery siteLincoln Lab ETS
Discovery date8 June 1999
Designations
(20461) Dioretsa
Pronunciation/daɪ.əˈrɛtsə/
Named after
Asteroid [2]
(spelled backwards)
1999 LD31
centaur[3] · damocloid [4]
unusual [5] · distant [1]
Symbol (astrological)
Orbital characteristics [3]
Epoch 27 April 2019 (JD 2458600.5)
Uncertainty parameter 2
Observation arc2.54 yr (927 d)
Aphelion45.404 AU
Perihelion2.4021 AU
23.903 AU
Eccentricity0.8995
116.87 yr (42,686 d)
59.873°
0° 0m 30.24s / day
Inclination160.43°
297.77°
103.13°
Jupiter MOID0.1907 AU
TJupiter-1.5470
Physical characteristics
14±3 km[4][6]
0.03±0.01[4][6]
13.8[1][3]

20461 Dioretsa /daɪ.əˈrɛtsə/ is a centaur and damocloid on a retrograde, cometary-like orbit from the outer Solar System. It was discovered on 8 June 1999, by members of the LINEAR team at the Lincoln Laboratory Experimental Test Site near Socorro, New Mexico, United States.[1] The highly eccentric unusual object measures approximately 14 kilometers (8.7 miles) in diameter.[4][6] It was named Dioretsa, the word "asteroid" spelled backwards.[1]

  1. ^ a b c d e Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference springer was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  4. ^ a b c d Cite error: The named reference johnstonsarchive-TNO-list was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference MPC-Unusual-list was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference Harris-2001 was invoked but never defined (see the help page).