1493 Sigrid

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Sigrid
Discovery
Discovered by E. Delporte
Discovery site Uccle
Discovery date 26 August 1938
Designations
MPC designation 1493
1938 QB
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 107.39 yr (39224 days)
Aphelion 2.9199701 AU (436.82131 Gm)
Perihelion 1.9425057 AU (290.59472 Gm)
2.431238 AU (363.7080 Gm)
Eccentricity 0.2010220
3.79 yr (1384.6 d)
214.34838°
0° 15m 35.977s / day
Inclination 2.579875°
330.65263°
1.364771°
Earth MOID 0.931276 AU (139.3169 Gm)
Jupiter MOID 2.43163 AU (363.767 Gm)
Jupiter Tisserand parameter 3.478
Physical characteristics
Mean radius
12.015±1.05 km
43.296 h (1.8040 d)
0.0489±0.010
11.99

1493 Sigrid (1938 QB) is a main-belt asteroid discovered on August 26, 1938, by E. Delporte at Uccle. It was named after the wife of the Danish-American astronomer Bengt Georg Daniel Strömgren.

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