1187 Afra

1187 Afra
Modelled shape of Afra from its lightcurve
Discovery[1]
Discovered byK. Reinmuth
Discovery siteHeidelberg Obs.
Discovery date6 December 1929
Designations
(1187) Afra
Named after
unknown[2]
1929 XC
Orbital characteristics[3]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 0
Observation arc90.16 yr (32,932 d)
Aphelion3.2285 AU
Perihelion2.0523 AU
2.6404 AU
Eccentricity0.2227
4.29 yr (1,567 d)
52.040°
0° 13m 46.92s / day
Inclination10.697°
327.16°
74.956°
Physical characteristics
  • 31.83±3.9 km[6]
  • 31.96±0.33 km[7]
  • 32.348±0.299 km[8]
  • 14.06993±0.00001 h[9]
  • 14.0701±0.0005 h[10]
  • 14.09±0.02 h[11]
  • 14.645±0.006 h[12]
SMASS = X[3]
11.50[1][3]

1187 Afra (prov. designation: 1929 XC) is a dark background asteroid from the central regions of the asteroid belt. It was discovered by German astronomer Karl Reinmuth at Heidelberg Observatory on 6 December 1929.[1] The X-type asteroid has a rotation period of 14.1 hours and measures approximately 32 kilometers (20 miles) in diameter. The origin of the asteroid's name remains unknown.

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