(118228) 1996 TQ 66 (also recorded as (118228) 1996 TQ66 ) is a trans-Neptune object ( pluntino ) located in the Kuiper belt . Opened on October 8, 1996 [3] by Chadwick Trujillo , David Jewitt , Jane Lou, and Jun Chen.
| (118228) 1996 TQ 66 | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | Yang Chen, David Jewitt , Chadwick Trujillo and Jane Lou |
| Detection point | |
| Date of discovery | October 8, 1996 |
| Orbital characteristics | |
| The Age of December 31, 2006 ( JD 2,444,100.5) | |
| Eccentricity ( e ) | 0.119 |
| Semi-axis ( a ) | 5.87277 billion km (39.257 a. E.) |
| Perihelion ( q ) | 5.17391 billion km (34.5854 a. E.) |
| Afhelia ( Q ) | 6.57163 billion km (43.9286 a. E.) |
| Period of circulation ( P ) | 89,841 days (245.971 g. ) |
| Average orbital speed | 4,737 km / s |
| Inclination ( i ) | 14.683 ° |
| Ascending node longitude (Ω) | 10.776 ° |
| Perihelion Argument (ω) | 19.060 ° |
| Mean Anomaly ( M ) | 12,128 ° |
| physical characteristics | |
| Diameter | 167 km [2] |
| Weight | 4.9⋅10 18 ? kg |
| Density | 2.0? g / cm³ |
| Acceleration of gravity on the surface | 0.0467? m / s² |
| 2nd cosmic speed | 0.0883? km / s |
| Absolute magnitude | 7.1 m |
| Albedo | 0.10? |
| Average surface temperature | ~ 44 |
The object is in orbital resonance 2: 3 with Neptune , similar to Pluto , and is classified as a pluto.
Notes
- ↑ JPL Small-Body Database
- ↑ List of known trans-Neptunian objects (English)
- ↑ List of trans-Neptunian objects (English) . Archived October 15, 2008.