31824 Elatus

31824 Elatus
Hubble Space Telescope image of Elatus taken in 2009
Discovery[1]
Discovered byCatalina Sky Srvy.
Discovery siteMount Lemmon Obs.
Discovery date29 October 1999
Designations
(31824) Elatus
Pronunciation/ˈɛlətəs/[2]
Named after
Elatus [3] (Greek mythology)
1999 UG5
centaur [1][4] · distant [5]
Symbol or (astrological)
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 2
Observation arc10.58 yr (3,864 days)
Aphelion16.298 AU
Perihelion7.3239 AU
11.811 AU
Eccentricity0.3799
40.59 yr (14,826 days)
170.74°
0° 1m 27.48s / day
Inclination5.2447°
87.158°
281.62°
Physical characteristics
45.87 km (derived)[4]
49.8±10.4 km[6]
57.000±15.900 km[7]
26.5 h[8]
26.82 h[9]
0.049±0.028[6]
0.050±0.028[7]
0.057 (assumed)[4]
RR [10]
B–V = 1.020±0.060[11]
V–R = 0.620±0.048[11]
10.1[1] · 10.32[9] · 10.40±0.09[6] · 10.42[8][4] · 10.439±0.107 (R)[12] · 10.49[13] · 10.61[14]

31824 Elatus (/ˈɛlətəs/; provisional designation 1999 UG5) is a very red centaur from the outer Solar System, approximately 48 kilometers (30 miles) in diameter. It was discovered on 29 October 1999, by astronomers of the Catalina Sky Survey at Mount Lemmon Observatory in Arizona, United States.[5] The minor planet was named after Elatus, a centaur from Greek mythology.[3]

  1. ^ a b c d Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ Noah Webster (1884) A Practical Dictionary of the English Language
  3. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
  4. ^ a b c d Cite error: The named reference lcdb was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference Duffard-2014 was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference Bauer-2013 was invoked but never defined (see the help page).
  8. ^ a b Cite error: The named reference Gutierrez-2001 was invoked but never defined (see the help page).
  9. ^ a b Cite error: The named reference Bauer-2002 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Lowry-2007b was invoked but never defined (see the help page).
  11. ^ a b Cite error: The named reference Hainaut-2012 was invoked but never defined (see the help page).
  12. ^ Cite error: The named reference Peixinho-2012 was invoked but never defined (see the help page).
  13. ^ Cite error: The named reference Romanishin-2005 was invoked but never defined (see the help page).
  14. ^ Cite error: The named reference Peixinho-2001 was invoked but never defined (see the help page).