C/2013 R1 (Lovejoy)
C/2013 R1 (Lovejoy) from a 3-minute exposure taken using a 6" refractor on 28 November 2013 | |
| Discovery | |
|---|---|
| Discovered by | Terry Lovejoy |
| Discovery site | Thornlands, Australia |
| Discovery date | 7 September 2013 |
| Designations | |
| CK13R010 | |
| Orbital characteristics | |
| Epoch | 29 December 2013 (JD 2456655.5) |
| Observation arc | 372 days (1.02 years) |
| Number of observations | 3,894 |
| Aphelion | ~830 AU (outbound) |
| Perihelion | 0.812 AU |
| Eccentricity | 0.99843 |
| Orbital period | ~6,900 years (inbound) ~8,500 years (outbound) |
| Inclination | 64.041° |
| 70.711° | |
| Argument of periapsis | 67.166° |
| Mean anomaly | 0.001° |
| Last perihelion | 22 December 2013 |
| TJupiter | 0.499 |
| Earth MOID | 0.146 AU |
| Jupiter MOID | 1.564 AU |
| Physical characteristics | |
Mean radius | 1.266 ± 0.10 km (0.787 ± 0.062 mi) |
Mean density | 480±70 kg/m3 |
| 47.8±1.2 hours | |
| Comet total magnitude (M1) | 11.5 |
| 4.0 (2013 apparition) | |
C/2013 R1 (Lovejoy) is a non-periodic comet discovered on 7 September 2013 using a 0.2 m (7.9 in) Schmidt–Cassegrain telescope. It is the fourth comet discovered by Terry Lovejoy. It crossed the celestial equator on 14 October 2013, which made it better observed from the Northern Hemisphere.