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 by	August Kopff
Discovery site	Heidelberg
Discovery date	11 September 1907
Designations
MPC designation	(649) Josefa
Alternative designations	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)
Semi-major axis	2.5463 AU (380.92 Gm)
Eccentricity	0.27852
Orbital period (sidereal)	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°
Argument of perihelion	349.562°
Physical characteristics
Synodic rotation period	10.481 h (0.4367 d)
Absolute magnitude (H)	12.7