303 Josephina

Josephina (minor planet designation: 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.

Orbit diagram

303 Josephina
Discovery
Discovered by	Elia Millosevich
Discovery date	12 February 1891
Designations
MPC designation	(303) Josephina
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	5.52 yr (2015.9 d)
Mean anomaly	357.173°
Mean motion	0° 10^m 42.892^s / day
Inclination	6.87269°
Longitude of ascending node	344.002°
Argument of perihelion	64.1014°
Physical characteristics
Dimensions	99.29±1.9 km
Rotation period	12.497 h (0.5207 d)
Geometric albedo	0.0594±0.002
Temperature	unknown
Absolute magnitude (H)	8.9

References

"303 Josephina". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.

External links

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

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