447 Valentine

447 Valentine
Discovery
Discovered by	M. Wolf, A. Schwassmann
Discovery date	27 October 1899
Designations
Alternative names	1899 ES
Minor planet category	Main belt
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	121.46 yr (44363 d)
Aphelion	3.11615 AU (466.169 Gm)
Perihelion	2.85330 AU (426.848 Gm)
Semi-major axis	2.98472 AU (446.508 Gm)
Eccentricity	0.044033
Orbital period	5.16 yr (1883.5 d)
Average orbital speed	17.23 km/s
Mean anomaly	218.145°
Mean motion	0° 11^m 28.097^s / day
Inclination	4.79460°
Longitude of ascending node	71.8375°
Argument of perihelion	322.874°
Earth MOID	1.86034 AU (278.303 Gm)
Jupiter MOID	2.0998 AU (314.13 Gm)
Jupiter Tisserand parameter	3.251
Physical characteristics
Dimensions	7004792200000000000♠79.22±3.2 km
Mass	unknown
Mean density	unknown
Equatorial surface gravity	unknown
Equatorial escape velocity	unknown
Rotation period	9.651 h (0.4021 d)
Geometric albedo	6998714000000000000♠0.0714±0.006
Temperature	unknown
Spectral type	unknown
Absolute magnitude (H)	8.99

447 Valentine is a large Main belt asteroid.

It was discovered by Max Wolf and A. Schwassmann on October 27, 1899 in Heidelberg.

References

Minor planets navigator

446 Aeternitas 447 Valentine 448 Natalie

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