439 Ohio

439 Ohio
Discovery
Discovered by	E. F. Coddington
Discovery date	13 October 1898
Designations
MPC designation	(439) Ohio
Alternative designations	1898 EB
Minor planet category	Main belt
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	117.46 yr (42903 d)
Aphelion	3.32739 AU (497.770 Gm)
Perihelion	2.93686 AU (439.348 Gm)
Semi-major axis	3.13212 AU (468.558 Gm)
Eccentricity	0.062342
Orbital period	5.54 yr (2024.7 d)
Average orbital speed	16.83 km/s
Mean anomaly	35.2583°
Mean motion	0° 10^m 40.102^s / day
Inclination	19.1544°
Longitude of ascending node	201.562°
Argument of perihelion	241.820°
Earth MOID	1.99194 AU (297.990 Gm)
Jupiter MOID	1.92082 AU (287.351 Gm)
Jupiter Tisserand parameter	3.124
Physical characteristics
Dimensions	7004765700000000000♠76.57±2.2 km
Mass	unknown
Mean density	unknown
Equatorial surface gravity	unknown
Equatorial escape velocity	unknown
Rotation period	37.46 h (1.561 d)^[1]
Geometric albedo	6998352000000000000♠0.0352±0.002^[1]
Temperature	unknown
Absolute magnitude (H)	9.83

439 Ohio is a large Main belt asteroid.

It was discovered by E. F. Coddington on October 13, 1898, at Mount Hamilton, California. It was first of his total of three asteroid discoveries.

References

Minor planets navigator
438 Zeuxo 439 Ohio 440 Theodora

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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