705 Erminia

705 Erminia

Discovery
Discovery site	Heidelberg
Discovery date	October 6, 1910
Designations
Alternative names	1910 KV
Orbital characteristics
Epoch 2014-Dec-09 (JD 2457000.5)
Aphelion	3.0656381 AU
Perihelion	2.7815681 AU
Semi-major axis	2.92360309 AU
Eccentricity	0.04858217
Orbital period	4.99903088 a
Mean anomaly	230.90337°
Inclination	25.042448°
Longitude of ascending node	2.89512°
Argument of perihelion	100.85853°
Physical characteristics
Dimensions	70-130 km (assumed albedo=0.05-0.3) 134.22 ±2.3 (IRAS) 128 x 141 (occultation) 133.9-134.5 (albedo estimate)
Rotation period	53.96 hours (2 days 5 hours 57 minutes 36 seconds)
Albedo	0.0432 ±0.002
Spectral type	X (tholen) C (SMASSII) B-V = 0.667-0.725 U-B = 0.249-0.327
Absolute magnitude (H)	8.39

705 Erminia is a minor planet orbiting the Sun. Its name derives from the comic opera Erminie. An occultation on December 8, 2014 gave 3 chords, with one measurement suggesting a small moon 6-10 kilometers wide at a distance of 400 kilometers to the primary.

See also

• List of Solar System objects by size

External links

• Discovery Circumstances: Numbered Minor Planets