(374158) 2004 UL

(374158) 2004 UL
Discovery[1]
Discovered byLINEAR
Discovery siteLincoln Lab's ETS
Discovery date18 October 2004
Designations
(374158) 2004 UL
2004 UL
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc15.05 yr (5,498 days)
Aphelion2.4400 AU
Perihelion0.0928 AU
1.2664 AU
Eccentricity0.9267
1.43 yr (521 days)
320.92°
0° 41m 29.76s / day
Inclination23.785°
39.575°
149.57°
Earth MOID0.0182 AU (7.1 LD)
Physical characteristics
  • 0.5–1.2 km (generic)[3]
  • 0.516 km (calculated)[4]
38±2 h[5][a]
0.20 (assumed)[4]

(374158) 2004 UL is a sub-kilometer asteroid on an outstandingly eccentric orbit, classified as near-Earth object and potentially hazardous asteroid of the Apollo group.[2] The object is known for having the second-smallest perihelion of any known asteroid, after (137924) 2000 BD19.[citation needed]

It was discovered on 18 October 2004 by the Lincoln Near-Earth Asteroid Research (LINEAR) at Lincoln Lab's ETS near Socorro, New Mexico.[2]

  1. ^ a b c d Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference neodys 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. ^ Cite error: The named reference Warner-2015h was invoked but never defined (see the help page).


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