(15836) 1995 DA2
| Discovery | |
|---|---|
| Discovered by | David C. Jewitt, Jane X. Luu |
| Discovery date | 24 February 1995 |
| Designations | |
| MPC designation | (15836) 1995 DA2 |
| none | |
|
TNO 3:4 resonance[1][2] | |
| Orbital characteristics[3] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 7265 days (19.89 yr) |
| Aphelion | 39.461 AU (5.9033 Tm) |
| Perihelion | 33.803 AU (5.0569 Tm) |
| 36.632 AU (5.4801 Tm) | |
| Eccentricity | 0.077215 |
| 221.72 yr (80982.1 d) | |
| 52.748° | |
| 0° 0m 16.003s / day | |
| Inclination | 6.5470° |
| 127.43° | |
| 338.43° | |
| Earth MOID | 32.8209 AU (4.90994 Tm) |
| Jupiter MOID | 28.5898 AU (4.27697 Tm) |
| Physical characteristics | |
| Dimensions | 106 km[4] |
| 0.09 (assumed) | |
| 7.7 | |
|
| |
(15836) 1995 DA2, also written as (15836) 1995 DA2, is a trans-Neptunian object. It was discovered on February 24, 1995, by David C. Jewitt and Jane X. Luu at the Mauna Kea Observatory, Hawaii.
Resonance
It is in a 3:4 resonance with the planet Neptune.[1][2] The Neptune 3:4 mean-motion resonance keeps the object more than 8 AU from Neptune over a 14,000-year period.[5][6]
The 3:4 resonance libration of 1995 DA2. Neptune is the white (stationary) dot at 5 o'clock. Uranus is blue, Saturn yellow, and Jupiter red.
References
- 1 2 Marc W. Buie (7 February 2002). "Orbit Fit and Astrometric record for 15836". SwRI (Space Science Department). Retrieved 2009-01-29.
- 1 2 "MPEC 2009-A63 :Distant Minor Planets (2009 JAN. 29.0 TT)". Minor Planet Center. 13 January 2009. Retrieved 2009-03-01.
- ↑ "JPL Small-Body Database Browser: 15836 (1995 DA2)". NASA/Jet Propulsion Laboratory. Retrieved 5 April 2016.
- ↑ Wm. Robert Johnston (22 August 2008). "List of Known Trans-Neptunian Objects". Johnston's Archive. Archived from the original on 13 February 2009. Retrieved 2009-01-29.
- ↑ "MPEC 2001-D23". Minor Planet Center. 21 February 2001. Retrieved 2009-01-30.
- ↑ "MPEC 1996-A11: 1995 DA2". Minor Planet Center. 6 January 1996. Retrieved 2009-01-30.
External links
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