774 Armor

774 Armor
Discovery
Discovered by	C. le Morvan
Discovery site	Paris
Discovery date	19 December 1913
Designations
Alternative names	1913 TW
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	107.33 yr (39203 d)
Aphelion	3.5625 AU (532.94 Gm)
Perihelion	2.5318 AU (378.75 Gm)
Semi-major axis	3.0472 AU (455.85 Gm)
Eccentricity	0.16914
Orbital period	5.32 yr (1942.9 d)
Mean anomaly	240.634°
Mean motion	0° 11^m 7.044^s / day
Inclination	5.5589°
Longitude of ascending node	250.253°
Argument of perihelion	28.478°
Earth MOID	1.51688 AU (226.922 Gm)
Jupiter MOID	1.56651 AU (234.347 Gm)
Jupiter Tisserand parameter	3.209
Physical characteristics
Mean radius	7001251850000000000♠25.185±0.95 km
Rotation period	25.107 h (1.0461 d)
Geometric albedo	6999252900000000000♠0.2529±0.020
Absolute magnitude (H)	8.8

774 Armor is a minor planet orbiting the Sun.

References

↑ "774 Armor (1913 TW)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.

External links

Discovery · Orbit diagram · Orbital elements · Physical parameters

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773 Irmintraud 774 Armor 775 Lumière

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