(118228) 1996 TQ66
(118228) 1996 TQ66, also written (118228) 1996 TQ66, is a trans-Neptunian object (TNO) that resides in the Kuiper belt. It was discovered on October 8, 1996, by Chad Trujillo, David C. Jewitt. Jane X. Luu, and Jun Chen.
| Discovery | |
|---|---|
| Discovered by | J. Chen, D. C. Jewitt, C. A. Trujillo J. X. Luu |
| Discovery date | 8 October 1996[1] |
| Designations | |
| (118228) 1996 TQ66 | |
| none | |
| plutino | |
| Orbital characteristics[2] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 6238 days (17.08 yr) |
| Aphelion | 44.10543 AU (6.598078 Tm) |
| Perihelion | 34.63184 AU (5.180850 Tm) |
| 39.36864 AU (5.889465 Tm) | |
| Eccentricity | 0.12032 |
| 247.02 yr (90224.4 d) | |
Average orbital speed | 4.74 km/s |
| 24.2515° | |
| 0° 0m 14.364s / day | |
| Inclination | 14.6845° |
| 10.8307° | |
| 20.3151° | |
| Earth MOID | 33.6399 AU (5.03246 Tm) |
| Jupiter MOID | 29.7005 AU (4.44313 Tm) |
| Physical characteristics | |
| Dimensions | 167 km[3] |
| Mass | 4.9×1018? kg |
Mean density | 2.0? g/cm³ |
Equatorial surface gravity | 0.0467? m/s² |
Equatorial escape velocity | 0.0883? km/s |
Sidereal rotation period | ? d |
| 0.10? | |
| Temperature | ~44 K |
| ? | |
| 6.9 | |
It is in a 2:3 orbital resonance with Neptune similar to Pluto, which classifies it as a plutino.
References
- List Of Transneptunian Objects Archived June 21, 2007, at WebCite
- "JPL Small-Body Database Browser: 118228 (1996 TQ66)". NASA/Jet Propulsion Laboratory. Retrieved 7 April 2016.
- List of known trans-Neptunian objects Archived June 21, 2007, at WebCite
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