649 Josefa is a minor planet, specifically an asteroid, orbiting primarily in the asteroid belt. Photometric observations provide a rotation period of 10.481±0.001 h with a brightness variation of 0.33±0.04 in magnitude.[2]
| Discovery | |
|---|---|
| Discovered by | August Kopff |
| Discovery site | Heidelberg |
| Discovery date | 11 September 1907 |
| Designations | |
| (649) Josefa | |
| 1907 AF | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 108.60 yr (39665 d) |
| Aphelion | 3.2555 AU (487.02 Gm) |
| Perihelion | 1.8371 AU (274.83 Gm) |
| 2.5463 AU (380.92 Gm) | |
| Eccentricity | 0.27852 |
| 4.06 yr (1484.1 d) | |
| 273.84° | |
| 0° 14m 33.252s / day | |
| Inclination | 12.715° |
| 357.035° | |
| 349.562° | |
| Physical characteristics | |
| 10.481 h (0.4367 d) | |
| 12.7 | |
References edit
- ^ "649 Josefa (1907 AF)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
- ^ Pilcher, Frederick (April 2010), "Rotation Period Determinations for 81 Terpsichore, 419 Aurelia 452 Hamiltonia, 610 Valeska, 649 Josefa, and 652 Jubilatrix", Minor Planet Bulletin, Bibcode:2010MPBu...37...45P.
External links edit
- 649 Josefa at AstDyS-2, Asteroids—Dynamic Site
- 649 Josefa at the JPL Small-Body Database
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