79P/du Toit–Hartley
< 79P
| Discovery | |
|---|---|
| Discovered by | Daniel du Toit Malcolm Hartley |
| Discovery site | Boyden Observatory, South Africa Siding Spring Observatory, Australia |
| Discovery date | 9 April 1945 7 February 1982 |
| Designations | |
| P/1945 G1 P/1982 C1 | |
| |
| Orbital characteristics | |
| Epoch | 17 October 2024 (JD 2460600.5) |
| Observation arc | 79.32 years |
| Number of observations | 323 |
| Aphelion | 4.766 AU |
| Perihelion | 1.121 AU |
| Semi-major axis | 2.943 AU |
| Eccentricity | 0.61920 |
| Orbital period | 5.049 years |
| Inclination | 3.149° |
| 280.52° | |
| Argument of periapsis | 281.76° |
| Mean anomaly | 74.702° |
| Last perihelion | 30 September 2023 |
| Next perihelion | 16 October 2028 |
| TJupiter | 2.943 |
| Earth MOID | 0.234 AU |
| Jupiter MOID | 0.366 AU |
| Physical characteristics | |
Mean diameter | 2.8 km (1.7 mi) |
| Comet total magnitude (M1) | 17.4 |
79P/du Toit–Hartley or du Toit 2 is a periodic comet, now divided into two parts, in the Solar System with an orbital period of 5.06 years. Its most recent perihelion was reached on 30 September 2023. It was about 2.7 AU (400 million km) from the Sun and Earth on 26 May 2024.