Astronomy:649 Josefa
From HandWiki
| 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) |
| |{{{apsis}}}|helion}} | 3.2555 astronomical unit|AU (487.02 Gm) |
| |{{{apsis}}}|helion}} | 1.8371 AU (274.83 Gm) |
| 2.5463 AU (380.92 Gm) | |
| Eccentricity | 0.27852 |
| Orbital period | 4.06 yr (1484.1 d) |
| Mean anomaly | 273.84° |
| Mean motion | 0° 14m 33.252s / day |
| Inclination | 12.715° |
| Longitude of ascending node | 357.035° |
| 349.562° | |
| Physical characteristics | |
| Rotation period | 10.481 h (0.4367 d) |
| Absolute magnitude (H) | 12.7 |
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]
References
- ↑ "649 Josefa (1907 AF)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=649;cad=1.
- ↑ 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
- 649 Josefa at AstDyS-2, Asteroids—Dynamic Site
- 649 Josefa at the JPL Small-Body Database
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