.png) A three-dimensional model of 193 Ambrosia based on its light curve. | |
| Discovery | |
|---|---|
| Discovered by | J. Coggia, 1879 |
| Discovery date | 28 February 1879 |
| Designations | |
| MPC designation | (193) Ambrosia |
| Pronunciation | /æmˈbroʊʒiə/ |
| Alternative designations | A879 DB; 1915 RB |
| Minor planet category | Main belt |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 100.12 yr (36569 d) |
| Aphelion | 3.3720 AU (504.44 Gm) |
| Perihelion | 1.8302 AU (273.79 Gm) |
| Semi-major axis | 2.6011 AU (389.12 Gm) |
| Eccentricity | 0.29638 |
| Orbital period (sidereal) | 4.20 yr (1532.2 d) |
| Mean anomaly | 331.40° |
| Mean motion | 0° 14 5.82 / day |
| Inclination | 12.010° |
| Longitude of ascending node | 349.97° |
| Argument of perihelion | 81.365° |
| Physical characteristics | |
| Mean diameter | 26 km |
| Synodic rotation period | 6.580 hours 6.581 h (0.2742 d) |
| Geometric albedo | 0.10 |
| Absolute magnitude (H) | 9.68 |
193 Ambrosia (Symbol:.svg){kind=small}
) is a main belt asteroid that was discovered by the Corsican-born French astronomer J. Coggia on February 28, 1879, and named after Ambrosia, the food of the gods in Greek mythology.
In 2009, photometric observations of this asteroid were made at the Palmer Divide Observatory in Colorado Springs, Colorado. The resulting light curve shows a synodic rotation period of 6.580 ± 0.001 hours with a brightness variation of 0.11 ± 0.02 in magnitude. This result is consistent with an independent study performed in 1996.
References
- Noah Webster (1884) A Practical Dictionary of the English Language
- ^ Yeomans, Donald K., "193 Ambrosia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 6 May 2016.
- ^ Warner, Brian D. (October 2009), "Asteroid Lightcurve Analysis at the Palmer Divide Observatory: 2009 March-June", The Minor Planet Bulletin, 36 (4): 172–176, arXiv:1203.4336, Bibcode:2009MPBu...36..172W, doi:10.1016/j.pss.2012.03.009, S2CID 119226456.
- "193 Ambrosia".
External links
- Lightcurve plot of 193 Ambrosia, Palmer Divide Observatory, B. D. Warner (2009)
- Asteroid Lightcurve Database (LCDB), query form (info Archived 21 July 2011 at the Wayback Machine)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 193 Ambrosia at AstDyS-2, Asteroids—Dynamic Site
- 193 Ambrosia at the JPL Small-Body Database
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