630 Euphemia
In this article, we will delve into the exciting world of 630 Euphemia, exploring its various facets and delving into its importance in today's society. From its origins to its impact today, 630 Euphemia has played a crucial role in history, culture and human development. Throughout these pages, we will closely examine the different aspects that make 630 Euphemia such a relevant and fascinating topic, addressing its implications and possible futures. Get ready to embark on a journey of discovery and knowledge about 630 Euphemia, which will surely leave you with a new perspective and a greater understanding of its importance in our lives.
| Discovery | |
|---|---|
| Discovered by | August Kopff |
| Discovery date | 7 March 1907 |
| Designations | |
| (630) Euphemia | |
| Pronunciation | /juːˈfiːmiə/ |
Named after | Euphemia |
| 1907 XW; A924 DC | |
| Main belt (Eunomia family) | |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 91.87 yr (33557 d) |
| Aphelion | 2.9153 AU (436.12 Gm) |
| Perihelion | 2.3334 AU (349.07 Gm) |
| 2.6244 AU (392.60 Gm) | |
| Eccentricity | 0.11086 |
| 4.25 yr (1552.9 d) | |
| 273.57° | |
| 0° 13m 54.588s / day | |
| Inclination | 13.855° |
| 105.419° | |
| 40.148° | |
| Physical characteristics | |
Mean radius | 8.605±0.45 km 8.5 km |
Mean density | ~2.7 g/cm3 |
| 350 h (15 d) | |
| 0.2375±0.027 | |
| S-type asteroid | |
| 11.1 | |
630 Euphemia is a mid-sized Eunomian asteroid.
Photometric observations at the Palmer Divide Observatory during 2005 showed a best fit rotation period of 79.18 ± 0.02 hours with a brightness variation of 0.2 ± 0.02 in magnitude. However, some uncertainty remains concerning the reliability of this result.
References
- ^ "euphemian". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
- ^ a b "630 Euphemia (1907 XW)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 7 May 2016.
- ^ "Supplemental IRAS Minor Planet Survey". Archived from the original on 23 June 2006.
- ^ G. A. Krasinsky; et al. (2002). "Hidden Mass in the Asteroid Belt". Icarus. 158 (1): 98. Bibcode:2002Icar..158...98K. doi:10.1006/icar.2002.6837.
- ^ Warner, Brian D. (December 2005), "Asteroid lightcurve analysis at the Palmer Divide Observatory - spring 2005", The Minor Planet Bulletin, 32 (4): 90–92, Bibcode:2005MPBu...32...90W.
External links
- Lightcurve plot of 630 Euphemia, Palmer Divide Observatory, B. D. Warner (2005)
- Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 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
- 630 Euphemia at AstDyS-2, Asteroids—Dynamic Site
- 630 Euphemia at the JPL Small-Body Database
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