Samiksha Jaiswal (Editor)

(118378) 1999 HT11

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Discovery date
  
17 April 1999

Minor planet category
  
TNO4:7 resonance

Aphelion
  
49.013 AU (7.3322 Tm)

Orbital period
  
293 years

Absolute magnitude
  
7.6

MPC designation
  
(118378) 1999 HT11

Observation arc
  
5881 days (16.10 yr)

Perihelion
  
38.894 AU (5.8185 Tm)

Discovered
  
17 April 1999

Discovery site
  
Kitt Peak National Observatory

Minor planet categories
  
Trans-Neptunian object, Resonant trans-Neptunian object

Similar
  
(15788) 1993 SB, S/2000 (1998 WW31) 1, 53311 Deucalion

(118378) 1999 HT11, also written as (118378) 1999 HT11, is a trans-Neptunian object (TNO) in a 4:7 orbital resonance with Neptune. It has a perihelion (closest approach to the Sun) at 38.858 AU and an aphelion (farthest approach from the Sun) at 49.231 AU. It is about 146 km in diameter. It was discovered on April 17, 1999, at Kitt Peak National Observatory, Arizona.

References

(118378) 1999 HT11 Wikipedia


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