447 Valentine

447 Valentine
Discovery
Discovered by	M. Wolf, A. Schwassmann
Discovery date	27 October 1899
Designations
MPC designation	(447) Valentine
Alternative designations	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 27 October 1899 in Heidelberg.

References

Minor planets navigator
446 Aeternitas 447 Valentine 448 Natalie

Designation Groups List Moon Meanings of names
Asteroid	Aten asteroid Asteroid belt Family Jupiter trojan Near-Earth Spectral types
Distant minor planet	Centaur Damocloid Neptune trojan Trans-Neptunian object Detached Kuiper belt Oort cloud Scattered disc

Other

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