459 Signe

459 Signe, provisional designation 1900 FM, is a stony asteroid from the background population of the intermediate asteroid belt, approximately 26 kilometers in diameter. It was discovered by German astronomer Max Wolf at Heidelberg-Königstuhl State Observatory on 22 October 1900.^[2] The asteroid was presumably named after Signy, a character of the Scandinavian Völsunga saga and Norse mythology. Signy is the daughter of Völsung and sister of Sigmund.^[3]

459 Signe

Discovery [1][2]
Discovered by	M. F. Wolf
Discovery site	Heidelberg Obs.
Discovery date	22 October 1900
Designations
MPC designation	(459) Signe
Named after	Signy [3] Norse mythology
Alternative designations	1900 FM
Minor planet category	main belt · (middle) background [4]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc	116.70 yr (42,624 days)
Aphelion	3.1716 AU
Perihelion	2.0727 AU
Semi-major axis	2.6222 AU
Eccentricity	0.2095
Orbital period (sidereal)	4.25 yr (1,551 days)
Mean anomaly	182.92°
Mean motion	0° 13m 55.56s / day
Inclination	10.302°
Longitude of ascending node	29.497°
Argument of perihelion	19.410°
Physical characteristics
Dimensions	29.32±2.4 km
Synodic rotation period	5.5362 h (0.23068 d)
Geometric albedo	0.1370±0.026
Spectral type	Tholen = S [1]
Absolute magnitude (H)	10.44