| Discovery | |
|---|---|
| Discovered by | Jane X. Luu, Chad Trujillo, David C. Jewitt, and K. 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 |
| 245.92 yr (89822.9 d) | |
| 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 designation 1997 QJ4) is a plutino and as such, it is trapped in a 2:3 mean-motion resonance with Neptune. It was discovered on 28 August 1997, by Jane X. Luu, Chad Trujillo, David C. Jewitt and K. Berney. This object has a perihelion (closest approach to the Sun) at 30.463 AU and an aphelion (farthest approach from the Sun) 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 a dwarf planet.[2]
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