Astronomy:2025 SC79
From HandWiki
| Discovery | |
|---|---|
| Discovered by | Scott S. Sheppard |
| Discovery site | Cerro Tololo Inter-American Observatory |
| Discovery date | 27 September 2025 |
| Designations | |
| v27sep5[1] | |
| Minor planet category | NEO • Atira asteroid |
| Orbital characteristics | |
| Uncertainty parameter 8 | |
| 0.4957697 AU | |
| Eccentricity | 0.4499108 |
| Orbital period | 128 days (0.35 years) |
| Mean anomaly | 342.29421° |
| Mean motion | 2.82347600°/day |
| Inclination | 16.78228° |
| Earth MOID | 0.29249 |
| Mercury MOID | 0.08312 |
| Venus MOID | 0.0146 |
| Physical characteristics | |
| Mean diameter | 700 m[2] |
| Absolute magnitude (H) | 18.83 |
2025 SC79 is an near-Earth asteroid discovered by the Cerro Tololo-DECam on 27 September 2025.[3] With an orbital period of 128 days, 2025 SC79 has the third-shortest period of all known asteroids as of 2025[update], after 2021 PH27 and 2025 GN1 (which orbit the Sun in 113 days).[2] It belongs to the Atira group of asteroids which reside inside the orbit of Earth. 2025 SC79 is estimated to be 700 metres (2,300 ft) in diameter.[2]
References
- ↑ "MPEC 2025-T164 : 2025 SC79". Minor Planet Electronic Circular (Minor Planet Center) 2025-T164. 2025-10-15. https://www.minorplanetcenter.net/iau/mpec/K25/K25TG4.html. Retrieved 2025-10-20. (v27sep5 listed in xml format)
- ↑ 2.0 2.1 2.2 "Fast-moving asteroid found in Sun’s glare" (in en). 2025-10-17. https://carnegiescience.edu/news/fast-moving-asteroid-found-suns-glare.
- ↑ "IAU Minor Planet Center". https://minorplanetcenter.net/db_search/show_object?utf8=%E2%9C%93&object_id=2025+SC79.
External links
- 2025 SC79 at NeoDyS-2, Near Earth Objects—Dynamic Site
- Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
- 2025 SC79 at the JPL Small-Body Database
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