45P/Honda–Mrkos–Pajdušáková
45P/Honda–Mrkos–Pajdušáková is a short-period comet discovered by Minoru Honda December 3, 1948. It is named after Minoru Honda, Antonín Mrkos, and Ľudmila Pajdušáková. The object revolves around the Sun on an elliptical orbit with a period of 5.25 years. The nucleus is 1.3 kilometers in diameter. On August 19 and 20, 2011, it became the fifteenth comet detected by ground radar telescope.
Comet Honda–Mrkos–Pajdušáková on February 10, 2017 | |
| Discovery | |
|---|---|
| Discovered by | Minoru Honda |
| Discovery date | December 3, 1948 |
| Orbital characteristics | |
| Epoch | 2011-Jun-08 (JD 2455720.5) |
| Aphelion | 5.511 AU |
| Perihelion | 0.5296 AU |
| Semi-major axis | 3.0205 AU |
| Eccentricity | 0.8246 |
| Orbital period | 5.25 yr |
| Inclination | 4.257° |
| Last perihelion | April 26, 2022 December 31, 2016 September 28, 2011 June 29, 2006 March 29, 2001 December 25, 1995 |
| Next perihelion | 2027-Aug-31 |
| Earth MOID | 0.06 AU (9,000,000 km) |
| Jupiter MOID | 0.106 AU (15,900,000 km) |
| Physical characteristics | |
| Dimensions | 1.3 km |
During the 1995 perihelion passage, the comet was visible to Solar and Heliospheric Observatory (SOHO) on January 16, 1996, when the comet was around apparent magnitude 7 and 4.3° from the Sun.
It is green because it emits diatomic carbon which glows green in the near vacuum of space.
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