| Discovery | |
|---|---|
| Discovered by | Jane X. Luu,Chad Trujillo,David C. Jewitt, andK. Berney |
| Discovery date | 28 August 1997 |
| Designations | |
| (24952) 1997 QJ4 | |
| plutino (TNO) | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 4048 days (11.08 yr) |
| Aphelion | 48.082 AU (7.1930 Tm) |
| Perihelion | 30.421 AU (4.5509 Tm) |
| 39.252 AU (5.8720 Tm) | |
| Eccentricity | 0.22497 |
| 245.92yr (89822.9d) | |
| 337.14° | |
| 0° 0m 14.428s / day | |
| Inclination | 16.590° |
| 346.92° | |
| 82.613° | |
| Earth MOID | 29.4765 AU (4.40962 Tm) |
| Jupiter MOID | 25.6287 AU (3.83400 Tm) |
| Physical characteristics | |
| Dimensions | 139 km |
| 0.09 (assumed) | |
| 7.6 | |
(24952) 1997 QJ4 (provisional designation1997 QJ4) is aplutino and as such, it is trapped in a 2:3 mean-motion resonance withNeptune. It was discovered on 28 August 1997, byJane X. Luu,Chad Trujillo,David C. Jewitt andK. Berney. This object has aperihelion (closest approach to theSun) at 30.463 AU and anaphelion (farthest approach from theSun) at 48.038 AU, so it moves in a relatively eccentric orbit (0.224). It has an estimated diameter of 139 km; therefore, it is unlikely to be classified as adwarf planet.[2]
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