13P/Olbers
Comet Olbers photographed by Don Heffernan on 11 August 2024 | |
| Discovery | |
|---|---|
| Discovered by | Heinrich Olbers |
| Discovery date | 6 March 1815 |
| Designations | |
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| Orbital characteristics | |
| Epoch | 21 November 2025 (JD 2461000.5) |
| Observation arc | 210.40 years |
| Number of observations | 2,619 |
| Aphelion | 32.676 AU |
| Perihelion | 1.175 AU |
| Semi-major axis | 16.926 AU |
| Eccentricity | 0.93056 |
| Orbital period | 69.634 years |
| Inclination | 44.664° |
| 85.846° | |
| Argument of periapsis | 64.425° |
| Mean anomaly | 7.203° |
| Last perihelion | 30 June 2024 |
| Next perihelion | 20 March 2094 |
| TJupiter | 1.251 |
| Earth MOID | 0.471 AU |
| Jupiter MOID | 0.713 AU |
| Physical characteristics | |
| Comet total magnitude (M1) | 6.9 |
| 6.0 (2024 apparition) | |
13P/Olbers is a periodic comet with an orbital period of 69 years. It fits the classical definition of a Halley-type comet with a period between 20 and 200 years. The comet last passed perihelion 30 June 2024 and it was previously seen in 1956. The next perihelion is in 2094. It is the third of three comets discovered by German astronomer, Heinrich Olbers.