.png) A three-dimensional model of 708 Raphaela based on its light curve. | |
| Discovery | |
|---|---|
| Discovered by | J. Helffrich |
| Discovery site | Heidelberg |
| Discovery date | 3 February 1911 |
| Designations | |
| MPC designation | (708) Raphaela |
| Pronunciation | /ræfeɪˈɛlə, -faɪ-/ |
| Alternative designations | 1911 LJ |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 123.34 yr (45049 d) |
| Aphelion | 2.9024 AU (434.19 Gm) |
| Perihelion | 2.4387 AU (364.82 Gm) |
| Semi-major axis | 2.6705 AU (399.50 Gm) |
| Eccentricity | 0.086818 |
| Orbital period (sidereal) | 4.36 yr (1594.0 d) |
| Mean anomaly | 9.02998° |
| Mean motion | 0° 13 33.024 / day |
| Inclination | 3.4910° |
| Longitude of ascending node | 355.202° |
| Argument of perihelion | 197.104° |
| Earth MOID | 1.43803 AU (215.126 Gm) |
| Jupiter MOID | 2.06007 AU (308.182 Gm) |
| TJupiter | 3.373 |
| Physical characteristics | |
| Mean radius | 10.715±0.75 km |
| Synodic rotation period | 20.918±0.005 h |
| Geometric albedo | 0.2193±0.034 |
| Absolute magnitude (H) | 10.61 |
708 Raphaela is a minor planet orbiting the Sun.
Observations performed at the Palmer Divide Observatory in Colorado Springs, Colorado during 2007 produced a light curve with a period of 20.918 hours with a brightness amplitude of 0.45 ± 0.02 in magnitude.
References
- "Raphaelic". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 15 September 2020.
- "708 Raphaela (1911 LJ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
- Warner, Brian D. (September 2007), "Asteroid Lightcurve Analysis at the Palmer Divide Observatory", The Minor Planet Bulletin, Bibcode:2007MPBu...34...72W.
External links
- Lightcurve plot of 708 Raphaela, Palmer Divide Observatory, B. D. Warner (2007)
- 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
- 708 Raphaela at AstDyS-2, Asteroids—Dynamic Site
- 708 Raphaela at the JPL Small-Body Database
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