| Discovery[1] | |
|---|---|
| Discovered by | LINEAR |
| Discovery site | Lincoln Lab ETS |
| Discovery date | 3 March 2000 |
| Designations | |
| (76146) 2000 EU16 | |
| 2002 TO288 | |
| main-belt · (middle) | |
| Orbital characteristics[2] | |
| Epoch 21 January 2022 (JD 2459600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 22.85 yr (8,345 days) |
| Aphelion | 2.5806 AU |
| Perihelion | 2.306 AU |
| 2.766 AU | |
| Eccentricity | 0.1665 |
| 4.60 yr (1,680 days) | |
| 130.990° | |
| 0° 12m 51.133s / day | |
| Inclination | 8.850° |
| 334.258° | |
| 347.850° | |
| Physical characteristics[2] | |
Mean diameter | 3.493±1.139 km |
| 0.252±0.112 | |
| 14.38[2][1] | |
(76146) 2000 EU16 is a small asteroid discovered on 3 March 2000, and the only known quasi-satellite of the dwarf planet asteroid 1 Ceres. From the perspective of Ceres, its orbit traces an analemma.[3]
References
- 1 2 "(76146) = 2000 EU16 = 2002 TO288". Minor Planet Center. International Astronomical Union. Retrieved 13 December 2021.
- 1 2 3 "JPL Small-Body Database Browser: 76146 (2000 EU16)" (2021-10-22 last obs.). Jet Propulsion Laboratory. Retrieved 13 December 2021.
- ↑ The analemma criterion: accidental quasi-satellites are indeed true quasi-satellites C. de la Fuente Marcos & R. de la Fuente Marcos, Monthly Notices of the Royal Astronomical Society, Volume 462, Issue 3, 01 November 2016, Pages 3344–3349
External links
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