(24978) 1998 HJ151
(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 | |
Alternative designations | none |
Minor planet category | TNO (cubewano) |
| Orbital characteristics | |
| 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) |
Semi-major axis | 43.43630331 AU (6.497978486 Tm) |
| Eccentricity | 0.051949 |
Orbital period (sidereal) | 286.28 yr (104563 d) |
Mean anomaly | 68.772637° |
Mean motion | 0° 0m 12.394s / day |
| Inclination | 2.3891912° |
Longitude of ascending node | 50.396457° |
| 128.58135° | |
| Physical characteristics | |
Mean diameter | 139 km |
| 7.5 | |
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