(24978) 1998 HJ151, also written as (24978) 1998 HJ151, is a cubewano. It has a perihelion (closest approach to the Sun) of 41.339 AU and an aphelion (farthest approach to the Sun) of 45.889 AU. It has a diameter of about 139 km. It was discovered on 28 April 1998, by Jane X. Luu, Chadwick A. Trujillo, David J. Tholen and David C. Jewitt.
| Discovery | |
|---|---|
| Discovered by | Jane X. Luu, Chadwick A. Trujillo, David J. Tholen, and David C. Jewitt |
| Discovery date | 28 April 1998 |
| Designations | |
| none | |
| TNO (cubewano)[1][2] | |
| Orbital characteristics[3] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 3301 days (9.04 yr) |
| Aphelion | 45.69279420 AU (6.835544719 Tm) |
| Perihelion | 41.17981243 AU (6.160412255 Tm) |
| 43.43630331 AU (6.497978486 Tm) | |
| Eccentricity | 0.051949 |
| 286.28 yr (104563 d) | |
| 68.772637° | |
| 0° 0m 12.394s / day | |
| Inclination | 2.3891912° |
| 50.396457° | |
| 128.58135° | |
| Physical characteristics | |
| 139 km[4] | |
| 7.5 | |
- ^ “MPEC 2009-R09 :Distant Minor Planets (2009 SEPT. 16.0 TT)”. IAU Minor Planet Center. 4 September 2009. Retrieved 4 October 2009.
- ^ Marc W. Buie (12 May 2007). “Orbit Fit and Astrometric record for 24978”. SwRI (Space Science Department). Retrieved 4 October 2009.
- ^ “JPL Small-Body Database Browser: 24978 (1998 HJ151)”. NASA/Jet Propulsion Laboratory. Retrieved 5 April 2016.
- ^ List of known trans-Neptunian objects
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