2010 EU65
| Discovery | |
|---|---|
| Discovered by | David L. Rabinowitz, S. Tourtellotte |
| Discovery date | March 13, 2010 |
| Designations | |
| 2010 EU65 | |
| Centaur | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 7 | |
| Aphelion | 20.606 AU (3.0826 Tm) |
| Perihelion | 18.143 AU (2.7142 Tm) |
| 19.375 AU (2.8985 Tm) | |
| Eccentricity | 0.063574 |
| 85.28 yr (31149 d) | |
| 13.396° | |
| 0° 0m 41.605s /day | |
| Inclination | 14.767° |
| 4.5631° | |
| 193.62° | |
| Earth MOID | 17.1432 AU (2.56459 Tm) |
| Jupiter MOID | 12.7043 AU (1.90054 Tm) |
| Physical characteristics | |
| Dimensions | 28-90 km |
| 0.5-0.05 (assumed) | |
| 9.1 | |
2010 EU65 is a minor planet classified as centaur by the Minor Planet Center upon discovery. [2] The object is also a promising Uranus horseshoe librator candidate.[3]
Discovery
2010 EU65 was discovered on March 13, 2010 by David L. Rabinowitz and S. Tourtellotte, observing from La Silla, Chile.[2]
Orbit
2010 EU65 follows a low eccentricity orbit (0.060) with a semi-major axis of 19.30 AU.[4] This object also has moderate orbital inclination (14.8º).[4] Unfortunately, its orbit is not well determined as it is currently (September 2015) based on 26 observations with a data-arc span of 85 days.[1]
Physical properties
2010 EU65 is a medium size minor body with an absolute magnitude of 9.1 which gives a characteristic diameter of 28–90 km for an assumed albedo in the range 0.5-0.05.[1]
Uranus horseshoe candidate
Based on its current heliocentric orbit, 2010 EU65 follows a horseshoe orbit around Uranus' L3 point. Giving the fact that its orbit is, at present, poorly determined, the object is a promising Uranus horseshoe orbiter candidate.[3]
References
- ^ a b c "JPL Small-Body Database Browser: (2010 EU65)". Jet Propulsion Laboratory. Retrieved 31 March 2016.
- ^ a b MPC list of Centaurs
- ^ a b de la Fuente Marcos, C.; de la Fuente Marcos, R. (March 2013). "Crantor, a short-lived horseshoe companion to Uranus". Astronomy and Astrophysics. 551: A114(8 pages). arXiv:1301.0770. Bibcode:2013A&A...551A.114D. doi:10.1051/0004-6361/201220646.
- ^ a b MPC data on 2010 EU65
External links
- Crantor, a short-lived horseshoe companion to Uranus de la Fuente Marcos, C., & de la Fuente Marcos, R. 2013, Astronomy and Astrophysics, Volume 551, A114 (8 pages).
- Image of 2010 EU65
- Discovery MPEC
- Early announcement
- 2010 EU65 data at MPC
- IAU list of centaurs and scattered-disk objects
- IAU list of trans-neptunian objects
- Another list of TNOs
- 2010 EU65 at the JPL Small-Body Database