385 Ilmatar

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385 Ilmatar
Discovery
Discovered by Max Wolf
Discovery date 1 March 1894
Designations
Named after
Ilmatar
1894 AX
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 122.12 yr (44604 d)
Aphelion 3.19998 AU (478.710 Gm)
Perihelion 2.50226 AU (374.333 Gm)
2.85112 AU (426.521 Gm)
Eccentricity 0.12236
4.81 yr (1758.4 d)
17.65 km/s
166.647°
0° 12m 17.024s / day
Inclination 13.5514°
345.021°
187.911°
Earth MOID 1.50801 AU (225.595 Gm)
Jupiter MOID 1.78508 AU (267.044 Gm)
Jupiter Tisserand parameter 3.253
Physical characteristics
Dimensions 91.53±1.6 km
Mass unknown
Mean density
unknown
Equatorial surface gravity
unknown
Equatorial escape velocity
unknown
62.35 h (2.598 d)
0.2129±0.008
Temperature unknown
S
7.49

385 Ilmatar is a large Main Belt asteroid.

It was discovered by Max Wolf on March 1, 1894, in Heidelberg.[2] It was named after Ilmatar, virgin spirit of the air. Its mass is unknown. Its rotation is 62.35 hr.

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