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 | |
(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.
It is in a 2:3 orbital resonance with Neptune similar to Pluto, which classifies it as a plutino.