649 Josefa

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]

649 Josefa
Discovery
Discovered byAugust Kopff
Discovery siteHeidelberg
Discovery date11 September 1907
Designations
(649) Josefa
1907 AF
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc108.60 yr (39665 d)
Aphelion3.2555 AU (487.02 Gm)
Perihelion1.8371 AU (274.83 Gm)
2.5463 AU (380.92 Gm)
Eccentricity0.27852
4.06 yr (1484.1 d)
273.84°
0° 14m 33.252s / day
Inclination12.715°
357.035°
349.562°
Physical characteristics
10.481 h (0.4367 d)
12.7

    References

    1. "649 Josefa (1907 AF)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
    2. 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.


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