857 Glasenappia

857 Glasenappia is a minor planet orbiting the Sun. It was named after Russian astronomer Sergey Glazenap, who was often referred to as "S. de Glasenapp" in pre-Revolution publications.

857 Glasenappia

A three-dimensional model of 857 Glasenappia based on its light curve
Discovery
Discovered by	S. Beljavskij
Discovery site	Simeis
Discovery date	6 April 1916
Designations
MPC designation	(857) Glasenappia
Named after	Sergey Glazenap
Alternative designations	1916 S33
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	95.56 yr (34905 days)
Aphelion	2.3843 AU (356.69 Gm)
Perihelion	1.9975 AU (298.82 Gm)
Semi-major axis	2.1909 AU (327.75 Gm)
Eccentricity	0.088278
Orbital period (sidereal)	3.24 yr (1184.5 d)
Mean anomaly	232.96°
Mean motion	0° 18m 14.112s / day
Inclination	5.2999°
Longitude of ascending node	82.932°
Argument of perihelion	238.854°
Earth MOID	0.989921 AU (148.0901 Gm)
Jupiter MOID	2.81688 AU (421.399 Gm)
TJupiter	3.662
Physical characteristics
Mean radius	7.515±0.35 km
Synodic rotation period	8.23 h (0.343 d)
Geometric albedo	0.2318±0.024
Absolute magnitude (H)	11.32