| Discovery | |
|---|---|
| Discovered by | Malcolm Hartley |
| Discovery date | June 13, 1985 |
| Designations | |
| 1991 VII; 1985 VII | |
| Orbital characteristics | |
| Epoch | 2011-Dec-05 2455900.5 |
| Aphelion | 4.841 AU |
| Perihelion | 1.990 AU |
| Semi-major axis | 3.416 AU |
| Eccentricity | 0.4172 |
| Orbital period | 6.31 a |
| Inclination | 25.661° |
| Last perihelion | 2022-Aug-10 2016 Apr. 2[1] 2009 Dec. 6 |
| Next perihelion | 2028-Dec-15[2] |
| Earth MOID | 1.00 AU (150,000,000 km)[3] |
100P/Hartley, also known as Hartley 1, is a periodic, Jupiter family comet in the Solar System.[3]
On 29 April 2164 the comet will pass 0.487 AU (72,900,000 km; 45,300,000 mi) from Earth.[4]
References
- ↑ "100P/Hartley Orbit". Minor Planet Center. Retrieved 2014-11-01.
- ↑ "Horizons Batch for 100P/Hartley 1 on 2028-Dec-15" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons. Retrieved 2023-04-29. (JPL#38/Soln.date: 2022-Aug-20
- 1 2 "100P/Hartley 1". NASA JPL.
- ↑ "JPL Close-Approach Data: 100P/Hartley 1". 2010-07-12. Retrieved 2012-02-23.
External links
- 100P/Hartley 1 – Seiichi Yoshida @ aerith.net
- 100P at Kronk's Cometography
- 100P/Hartley 1 at the JPL Small-Body Database
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