343 Ostara (prov. designation: A892 VA or 1892 N) is a background asteroid from the inner region of the asteroid belt. It was discovered by German astronomer Max Wolf at the Heidelberg Observatory on 15 November 1892.[1]

343 Ostara

Modelled shape of Ostara from its lightcurve
Discovery
Discovered by	Max Wolf
Discovery site	Heidelberg Obs.
Discovery date	15 November 1892
Designations
MPC designation	(343) Ostara
Named after	Ēostre
Alternative designations	1892 N · A892 VA
Minor planet category	Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	123.10 yr (44961 d)
Aphelion	2.96385 AU (443.386 Gm)
Perihelion	1.85989 AU (278.236 Gm)
Semi-major axis	2.41187 AU (360.811 Gm)
Eccentricity	0.22886
Orbital period (sidereal)	3.75 yr (1368.1 d)
Mean anomaly	16.5913°
Mean motion	0° 15m 47.275s / day
Inclination	3.26504°
Longitude of ascending node	38.6320°
Argument of perihelion	9.62726°
Physical characteristics
Mean diameter	19.10±1.3 km
Synodic rotation period	109.87 h (4.578 d)
Geometric albedo	0.1151±0.017
Absolute magnitude (H)	11.56

References

External links

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

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[es] (343) Ostara

[ru] (343) Остара