 Orbit diagram (top view, 1999 OX3 in blue) | |
| Discovery[1] | |
|---|---|
| Discovered by | J. J. Kavelaars B. Gladman M. Holman J.-M. Petit |
| Discovery site | Mauna Kea Obs. |
| Discovery date | 21 July 1999 |
| Designations | |
| (44594) 1999 OX3 | |
| 1999 OX3 | |
| TNO[1][2] · centaur[3][4] distant[5] | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 2 | |
| Observation arc | 17.35 yr (6,338 days) |
| Aphelion | 46.576 AU |
| Perihelion | 17.589 AU |
| 32.083 AU | |
| Eccentricity | 0.4518 |
| 181.72 yr (66,375 days) | |
| 347.21° | |
| 0° 0m 19.44s / day | |
| Inclination | 2.6248° |
| 259.10° | |
| 144.53° | |
| Physical characteristics | |
| Dimensions | 151 km[3][6] 159.78 km (calculated)[2] |
| 9.26 h[2][7] | |
| 0.10 (assumed)[2] | |
| RR[3][8] · C[2] | |
| 6.07±0.19 (R)[9] · 6.835±0.078 (R)[10] · 7.1[1][2] · 7.4[7] · 7.718±0.092[a] · 7.85[6] | |
(44594) 1999 OX3 is an eccentric trans-Neptunian object with a centaur-like orbit from the outer Solar System, approximately 150 kilometers in diameter.[3] It was discovered on 21 July 1999, by astronomers John Kavelaars, Brett Gladman, Matthew Holman and Jean-Marc Petit at Mauna Kea Observatories, Hawaii, United States.[5]
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