2005 TN53
| Discovery | |
|---|---|
| Discovery date | 2005 |
| Designations | |
| Trojan asteroid | |
| Orbital characteristics[1][2] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 2921 days (8.00 yr) |
| Aphelion | 32.052 AU (4.7949 Tm) |
| Perihelion | 28.070 AU (4.1992 Tm) |
| 30.061 AU (4.4971 Tm) | |
| Eccentricity | 0.066235 |
| 164.82 yr (60199.8 d) | |
| 298.88° | |
| Inclination | 25.048° |
| 9.3326° | |
| 89.680° | |
| Earth MOID | 27.1818 AU (4.06634 Tm) |
| Jupiter MOID | 23.412 AU (3.5024 Tm) |
| Physical characteristics | |
| Dimensions | 40–90 km[3] |
| 9.0[1] | |
|
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2005 TN53 (also written 2005 TN53) is a Neptune trojan discovered by Scott S. Sheppard and Chadwick A. Trujillo in 2005.[4] It was the third such body to be discovered, and the first with a significant orbital inclination, which showed that the population as a whole is very dynamically excited. It has the same orbital period as Neptune and orbits at the L4 Lagrangian point about 60 degrees ahead of Neptune.[5]
It has an inclination of 25 degrees.[1][5]
With an absolute magnitude of 9.1,[1] it is likely the smallest known Neptune trojan with a diameter in the range of 40 to 90 km.[3]
It has been observed 23 times over 3 oppositions.[1]
References
- 1 2 3 4 5 "JPL Small-Body Database Browser: 2005 TN53". Retrieved 30 March 2016.
- ↑ AstDys-2 about 2005 TN53
- 1 2 "Absolute Magnitude (H)". Archived from the original on 14 May 2008. Retrieved 2008-05-08.
- ↑ Sheppard, Scott S.; Trujillo, Chadwick A. (June 2006). "A Thick Cloud of Neptune Trojans and Their Colors" (PDF). Science 313 (5786): 511–514. Bibcode:2006Sci...313..511S. doi:10.1126/science.1127173. PMID 16778021. Retrieved 2008-02-26.
- 1 2 "List Of Neptune Trojans". Minor Planet Center. Archived from the original on 11 May 2008. Retrieved 2008-05-08.
External links
- Orbital simulation from JPL (Java) / Ephemeris
- Three New "Trojan" Asteroids Found Sharing Neptune's Orbit by Scott S. Sheppard (includes image of 2005 TN53)
- 2005 TN53 at the JPL Small-Body Database
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