2007 JH43
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | M. E. Schwamb M. E. Brown D. L. Rabinowitz |
| Discovery date | May 10, 2007 |
| Designations | |
| MPC designation | 2007 JH43 |
| Plutino (MPC)[1][2] SDO (DES)[3] |
|
| Orbital characteristics[4] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 10650 days (29.16 yr) |
| Aphelion | 40.564 AU (6.0683 Tm) (Q) |
| Perihelion | 38.498 AU (5.7592 Tm) (q) |
| 39.531 AU (5.9138 Tm) (a) | |
| Eccentricity | 0.026133 (e) |
| 248.55 yr (90783.1 d) | |
| 175.95° (M) | |
| Inclination | 18.140° (i) |
| 64.585° (Ω) | |
| 5.0718° (ω) | |
| Earth MOID | 37.5118 AU (5.61169 Tm) |
| Jupiter MOID | 33.4398 AU (5.00252 Tm) |
| Physical characteristics | |
| Dimensions | 505 km (assumed)[5] |
| 0.09 (assumed)[5] | |
| 4.5[4] | |
2007 JH43, also written as 2007 JH43, is a trans-Neptunian object with an absolute magnitude of 4.7,[4] which makes it likely a dwarf planet.[6] It came to perihelion around 1888.[4]
Assuming a generic TNO albedo of 0.09, it is about 500 kilometres (310 mi) in diameter.[5]
It has been observed 44 times over eight oppositions, with precovery images back to 1984.[1]
Plutino or scattered?
As of 2014, the Minor Planet Center (MPC) listed 2007 JH43 as a plutino (a trans-Neptunian object in 2:3 mean-motion resonance with Neptune).[1][2] However, the Deep Ecliptic Survey (DES) currently shows it as a scattered object, based on a 10-million-year integration of the orbit.[3]
References
- ↑ 1.0 1.1 1.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 4.2 4.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 5.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
- Orbital simulation from JPL (Java) / Horizons Ephemeris
- 2007 JH43 Precovery Images
- 2007 JH43 at the JPL Small-Body Database
