385 Ilmatar

385 Ilmatar
Discovery
Discovered by	Max Wolf
Discovery date	1 March 1894
Designations
MPC designation	(385) Ilmatar
Named after	Ilmatar
Alternative designations	1894 AX
Minor planet category	Main belt
Orbital characteristics
	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)
Semi-major axis	2.85112 AU (426.521 Gm)
Eccentricity	0.12236
Orbital period (sidereal)	4.81 yr (1758.4 d)
Mean anomaly	166.647°
Mean motion	0° 12m 17.024s / day
Inclination	13.5514°
Longitude of ascending node	345.021°
Argument of perihelion	187.911°
Physical characteristics
Dimensions	91.53±1.6 km
Synodic rotation period	62.35 h (2.598 d)
Geometric albedo	0.2129±0.008
Spectral type	S
Absolute magnitude (H)	7.49

Ilmatar (minor planet designation: 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.

References[]

^ "385 Ilmatar (1894 AX)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 10 May 2016.
^ "Physics and Astronomy > Dictionary of Minor Planet Names > (385) Ilmatar". Springer Reference. Retrieved 20 October 2014.

External links[]

385 Ilmatar at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
385 Ilmatar at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

This article about an asteroid native to the asteroid belt is a stub. You can help Wikipedia by .

[jpldata-1] "385 Ilmatar (1894 AX)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 10 May 2016.

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

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