Astronomy:2022 WM7
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Short description: Small near-Earth asteroid
 The orbit of 2022 WM7 extends from Jupiter's orbit to within Earth's orbit. | |
| Discovery[1][2] | |
|---|---|
| Discovered by | Pan-STARRS 1 |
| Discovery site | Haleakalā Obs. |
| Discovery date | 26 November 2022 |
| Designations | |
| 2022 WM7 | |
| P11Cgve[3] | |
| Minor planet category | NEO · Apollo[1] |
| Orbital characteristics[4] | |
| Epoch 25 February 2023 (JD 2460000.5) | |
| Uncertainty parameter 6 | |
| Observation arc | 1 day[1] |
| |{{{apsis}}}|helion}} | 2.817 AU |
| |{{{apsis}}}|helion}} | 0.909 AU |
| 2.454 AU | |
| Eccentricity | 0.6295 |
| Orbital period | 2.56 yr (935.9 days) |
| Mean anomaly | 310.198° |
| Mean motion | 0° 15m 23.027s / day |
| Inclination | 0.895° |
| Longitude of ascending node | 66.193° |
| |{{{apsis}}}|helion}} | December 2022[4] |
| 36.419° | |
| Earth MOID | 0.000253 AU (37,800 km; 0.098 LD) |
| Jupiter MOID | 1.197 AU |
| Physical characteristics | |
| Mean diameter | 3–6 m (assumed albedo 0.05–0.25)[5] |
| Absolute magnitude (H) | 29.854±0.299[4] |
2022 WM7 is a small near-Earth asteroid that passed about 0.2 lunar distances (77,000 km; 48,000 mi) from Earth's center on 28 November 2022 at 02:24 UTC. It was discovered by the Pan-STARRS 1 survey telescope at Haleakalā Observatory, Hawaii on 26 November 2022.[2]
References
- ↑ 1.0 1.1 1.2 "2022 WM7". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=2022+WM7. Retrieved 29 November 2022.
- ↑ 2.0 2.1 "MPEC 2022-W227 : 2022 WM7". Minor Planet Electronic Circular. Minor Planet Center. 27 November 2022. https://www.minorplanetcenter.net/mpec/K22/K22WM7.html. Retrieved 29 November 2022.
- ↑ "2022 WM7". NEO Exchange. Las Cumbres Observatory. 27 November 2022. https://neoexchange.lco.global/target/98684/. Retrieved 29 November 2022.
- ↑ 4.0 4.1 4.2 "JPL Small-Body Database Browser: (2022 WM7)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=54330037. Retrieved 29 November 2022.
- ↑ Bruton, Dan. "Conversion of Absolute Magnitude to Diameter for Minor Planets". Department of Physics, Engineering, and Astronomy. Stephen F. Austin State University. http://www.physics.sfasu.edu/astro/asteroids/sizemagnitude.html. Retrieved 29 November 2022.
External links
- 2022 WM7 at NeoDyS-2, Near Earth Objects—Dynamic Site
- Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
- 2022 WM7 at ESA–space situational awareness
- 2022 WM7 at the JPL Small-Body Database
- Flyby animation by Tony Dunn
- Asteroid (NEO) 2022 WM7
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