385 Ilmatar

385 Ilmatar
Discovery
Discovered by	Max Wolf
Discovery date	March 1, 1894
Designations
Named after	Ilmatar
Alternative names	1894 AX
Minor planet category	Main belt
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion	480.308 Gm (3.211 AU)
Perihelion	372.044 Gm (2.487 AU)
Semi-major axis	426.176 Gm (2.849 AU)
Eccentricity	0.127
Orbital period	1756.245 d (4.81 a)
Average orbital speed	17.65 km/s
Mean anomaly	25.258°
Inclination	13.567°
Longitude of ascending node	345.256°
Argument of perihelion	188.316°
Physical characteristics
Dimensions	92.0 km
Mass	unknown
Mean density	unknown
Surface gravity	unknown
Escape velocity	unknown
Rotation period	62.35 hr
Albedo	unknown
Temperature	unknown
Spectral type	S
Absolute magnitude (H)	7.49

385 Ilmatar is a large Main Belt asteroid.

It was discovered by Max Wolf on March 1, 1894, in Heidelberg.^[1] It was named after Ilmatar, virgin spirit of the air. Its mass is unknown. Its rotation is 62.35 hr.

References

↑ "Physics and Astronomy > Dictionary of Minor Planet Names > (385) Ilmatar". Springer Reference. Retrieved 20 October 2014.

External links

385 Ilmatar at the JPL Small-Body Database

Discovery · Orbit diagram · Orbital elements · Physical parameters

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