C/2020 F5 (MASTER)
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 Comet MASTER photographed from the Zwicky Transient Facility on 27 September 2021 | |
| Discovery[1][2] | |
|---|---|
| Discovered by | MASTER |
| Discovery date | 28 March 2020 |
| Orbital characteristics[3] | |
| Epoch | 27 March 2022 (JD 2459665.5) |
| Observation arc | 1,663 days (4.55 years) |
| Earliest precovery date | 16 March 2020 |
| Number of observations | 1,861 |
| Aphelion | ~1,760 AU |
| Perihelion | 4.325 AU |
| Semi-major axis | ~880 AU |
| Eccentricity | 0.99509 |
| Orbital period | ~36,000 years (inbound) ~1,800 years (outbound) |
| Inclination | 52.257° |
| 350.53° | |
| Argument of periapsis | 310.99° |
| Mean anomaly | 0.0139° |
| Last perihelion | 23 March 2021 |
| TJupiter | 1.582 |
| Earth MOID | 3.515 AU |
| Jupiter MOID | 0.162 AU |
| Comet total magnitude (M1) | 7.2 |
| Comet nuclear magnitude (M2) | 9.7 |
C/2020 F5 (MASTER) is a non-periodic comet discovered on 28 March 2020,[4] by the MASTER auto-detection system near San Juan, Argentina.
When first discovered there were dubious claims that it might be an interstellar object,[5] but now it is known to have a weakly near-parabolic eccentricity of just 0.99509.[3] Before planetary perturbations the comet had an orbital period of about 36,000 years.
Orbit
[edit]
Orbit of C/2020 F5 (MASTER) on 20 April 2020
References
[edit]- ↑ V. M. Lipunov; D. Denisenko; E. Guido; et al. (8 April 2020). D. W. Green (ed.). "Comet C/2020 F5 (MASTER)". Central Bureau Electronic Telegrams (4745): 1. Bibcode:2020CBET.4745....1L.
- ↑ V. M. Lipunov; D. Denisenko; E. Guido; et al. (8 April 2020). D. W. Green (ed.). "Comet C/2020 F5 (MASTER)". Central Bureau Electronic Telegrams (4746): 1. Bibcode:2020CBET.4746....1L.
- 1 2 "C/2020 F5 (MASTER) – JPL Small-Body Database Lookup". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Retrieved 4 January 2024.
- ↑ S. Yoshida. "C/2020 F5 (MASTER)". www.aerith.net. Retrieved 20 April 2020.
- ↑ D. Oberhaus (17 April 2020). "So You've Found a Comet With a Weird Orbit". Wired. Retrieved 18 April 2020.
External links
[edit]- C/2020 F5 at the JPL Small-Body Database
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