303 Josephina

303 Josephina is a large Main belt asteroid.^[1] It was discovered by Elia Millosevich on 12 February 1891 in Rome. It was first of his two asteroid discoveries. The other was 306 Unitas.

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DiscoveredbyElia Millosevich

Discoverydate12 February 1891

MPCdesignation

(303) Josephina

Alternative designations

A891 CA; 1948 MA
1974 KC

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303 Josephina

Lightcurve-base 3D-model of 303 Josephina.
Discovery
Discovered by	Elia Millosevich
Discovery date	12 February 1891
Designations
MPC designation	(303) Josephina
Alternative designations	A891 CA; 1948 MA 1974 KC
Minor planet category	Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	124.85 yr (45600 d)
Aphelion	3.31643 AU (496.131 Gm)
Perihelion	2.92967 AU (438.272 Gm)
Semi-major axis	3.12305 AU (467.202 Gm)
Eccentricity	0.061920
Orbital period (sidereal)	5.52 yr (2015.9 d)
Mean anomaly	357.173°
Mean motion	0° 10m 42.892s / day
Inclination	6.87269°
Longitude of ascending node	344.002°
Argument of perihelion	64.1014°
Physical characteristics
Dimensions	99.29±1.9 km
Synodic rotation period	12.497 h (0.5207 d)
Geometric albedo	0.0594±0.002
Temperature	unknown
Absolute magnitude (H)	8.9

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