88P/Howell
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | Ellen Howell |
| Discovery date | August 29, 1981 |
| Alternative designations |
1981 X; 1987 VI; 1993 II |
| Orbital characteristics A | |
| Epoch | March 6, 2006 |
| Aphelion | 4.865 AU |
| Perihelion | 1.366 AU |
| Semi-major axis | 3.116 AU |
| Eccentricity | 0.5615 |
| Orbital period | 5.5 a |
| Inclination | 4.3831° |
| Dimensions | 4.4 km[3] |
| Last perihelion | April 6, 2015[1][2] |
| Next perihelion | 2020 |
88P/Howell is a periodic comet in the solar system. It was discovered on 29 August 1981.[4] In 1975 the comet's perihelion (closest approach to the Sun) was 1.9 AU,[5] But a close approach to Jupiter in 1978[3] perturbed the perihelion distance closer to the Sun.
It last came to perihelion on 6 April 2015; the next occurrence will be in 2020.[1]
Around 14 September 2031 the comet will pass 0.074 AU (11,100,000 km; 6,900,000 mi) from Mars.[3]
References
- ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 3.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
- 88P/Howell at CometWatch
- Orbital simulation from JPL (Java) / Horizons Ephemeris
- 88P at Kronk's Cometography
- 88P at CometBase database
| Periodic comets (by number) | ||
|---|---|---|
| Previous 87P/Bus |
88P/Howell | Next 89P/Russell |
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