1337 Gerarda

Gerarda
Discovery
Discovered by	Van Gent, H.
Discovery site	Johannesburg (LS)
Discovery date	9 September 1934
Designations
MPC designation	1337
Alternative names	1934 RA1
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	81.60 yr (29804 days)
Aphelion	3.1993936 AU (478.62247 Gm)
Perihelion	2.6304006 AU (393.50233 Gm)
Semi-major axis	2.914897 AU (436.0624 Gm)
Eccentricity	0.09760087
Orbital period	4.98 yr (1817.7 d)
Mean anomaly	179.36925°
Mean motion	0° 11^m 52.971^s / day
Inclination	17.99220°
Longitude of ascending node	160.33393°
Argument of perihelion	201.02629°
Earth MOID	1.6303 AU (243.89 Gm)
Jupiter MOID	2.23264 AU (333.998 Gm)
Jupiter Tisserand parameter	3.202
Physical characteristics
Mean radius	7001194300000000000♠19.43±1.8 km
Rotation period	12.52 h (0.522 d)
Geometric albedo	6998441000000000000♠0.0441±0.010
Absolute magnitude (H)	11.2

1337 Gerarda (1934 RA1) is a main-belt asteroid discovered on September 9, 1934, by Van Gent, H. at Johannesburg (LS).

References

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1336 Zeelandia 1337 Gerarda 1338 Duponta

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