(308635) 2005 YU55

(308635) 2005 YU55
Goldstone radar image of asteroid 2005 YU55
taken 7 November 2011.
Discovery[1]
Discovered byR. S. McMillan
Steward Observatory
Kitt Peak (691)
Discovery date28 December 2005
Designations
(308635) 2005 YU55
2005 YU55
Orbital characteristics[2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc2,183 days (5.98 yr)
Aphelion1.65562913 AU (247.678593 Gm) (Q)
Perihelion0.659003712 AU (98.5855521 Gm) (q)
1.15731642 AU (173.132072 Gm) (a)
Eccentricity0.430576028 (e)
1.25 Jyr (454.75 d)
175.227687° (M)
0° 47m 29.892s / day (n)
Inclination0.340553512° (i)
35.9073158° (Ω)
273.628156° (ω)
Known satellitesnone[3]
Earth MOID0.000433476 AU (64,847.1 km)
(0.17 LD)[2]
Venus MOID0.0017 AU
(0.66 LD)[4]
Mars MOID0.03884 AU
(15.11 LD)[4]
Jupiter MOID3.60813 AU (539.769 Gm)
TJupiter5.347
Physical characteristics
Dimensions360±40 m[5][6][7][8]
0.2 km
18 h (0.75 d)
19.31±0.02 h[2][9]
0.042±0.008
C-type[6][9][10]
21.9[2][9]

(308635) 2005 YU55, provisionally named 2005 YU55, is a potentially hazardous asteroid[2] 360±40 meters in diameter, as measured after its Earth flyby.[8] Previously it was estimated to be 310 meters[5] or about 400 m (1,300 feet) in diameter.[6][7] It was discovered on 28 December 2005 by Robert S. McMillan at Steward Observatory, Kitt Peak.[1] On 8 November 2011 it passed 0.85 lunar distances (324,900 kilometers; 201,900 miles)[11] from Earth.

  1. ^ a b Cite error: The named reference MPEC2005-Y47 was invoked but never defined (see the help page).
  2. ^ a b c d e f Cite error: The named reference jpldata was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Goldstone-planning was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference mpc was invoked but never defined (see the help page).
  5. ^ a b The Herschel Space Observatory catches a glimpse of the minor planet during its rendezvous with Earth (17 November 2011)
  6. ^ a b c Cite error: The named reference news171 was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference Cornell2010 was invoked but never defined (see the help page).
  8. ^ a b Cite error: The named reference Busch was invoked but never defined (see the help page).
  9. ^ a b c Cite error: The named reference Warner was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Moskovitz was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference NASA2011-332 was invoked but never defined (see the help page).