Supriya Ghosh (Editor)

1064 Aethusa

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Discovered by  K. Reinmuth
MPC designation  1064 Aethusa
Minor planet category  main-belt
Absolute magnitude  10.6
Discoverer  Karl Wilhelm Reinmuth
Discovery date  2 August 1926
Alternative names  1926 PA · 1962 HF
Discovered  2 August 1926
Orbits  Sun
Asteroid group  Asteroid belt
Named after  Aethusa cynapium (fool's parsley)
Discovery site  Landessternwarte Heidelberg-Königstuhl
Similar  1056 Azalea, 1002 Olbersia, 276 Adelheid, 1001 Gaussia, 132 Aethra

1064 Aethusa, provisional designation 1926 PA, is a main-belt asteroid, discovered by German astronomer Karl Reinmuth at Heidelberg Observatory on 2 August 1926. It is orbiting the Sun in a distance of 2.09−2.99 AU, measures about 19 kilometers in diameter, and has a high geometric albedo of 0.32.

Measurements made with the IRAS observatory give a diameter of 20.64 ± 1.37 km and a geometric albedo of 0.27 ± 0.03. By comparison, the MIPS photometer on the Spitzer Space Telescope gives a diameter of 8.621 ± 4.28 km and a geometric albedo of 0.17 ± 0.04. Other photometric observations of the asteroid collected during 2006 show a rotation period of 8.621 ± 0.004 hours with a brightness variation of 0.18 ± 0.02 magnitude.

The asteroid is named after a genus in the carrot family, "Aethusa", of which the plant Aethusa cynapium (fool's parsley) is the only member.

References

1064 Aethusa Wikipedia


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