* Astronomy

Asteroid (57) Mnemosyne is a large main belt asteroid. It is an S-type asteroid in composition. It was discovered by Robert Luther on September 22, 1859 from Düsseldorf. Its name was chosen by Martin Hoek, director of the Utrecht Observatory, in reference to Mnemosyne, a Titaness in Greek mythology.
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Ephemeris

Date       UT      R.A. (J2000) Decl.    Delta     r     El.    Ph.   V
2011 10 06 000000 06 04 20.6 +09 41 25   2.440   2.805  100.8  20.5  12.2
2011 10 10 000000 06 06 34.7 +09 13 20   2.392   2.807  104.1  20.2  12.2
2011 10 14 000000 06 08 27.9 +08 44 32   2.345   2.809  107.4  19.8  12.1
2011 10 18 000000 06 09 59.5 +08 15 10   2.298   2.810  110.8  19.4  12.1
2011 10 22 000000 06 11 08.5 +07 45 22   2.254   2.812  114.2  18.8  12.0
2011 10 26 000000 06 11 54.1 +07 15 18   2.210   2.814  117.7  18.2  11.9
2011 10 30 000000 06 12 15.8 +06 45 11   2.169   2.816  121.3  17.5  11.9
2011 11 03 000000 06 12 13.3 +06 15 14   2.130   2.818  125.0  16.8  11.8
2011 11 07 000000 06 11 46.6 +05 45 39   2.093   2.820  128.7  15.9  11.8
2011 11 11 000000 06 10 56.0 +05 16 42   2.058   2.822  132.4  15.0  11.7
2011 11 15 000000 06 09 42.0 +04 48 38   2.027   2.825  136.2  14.0  11.6
2011 11 19 000000 06 08 05.2 +04 21 44   1.998   2.827  139.9  13.0  11.6
2011 11 23 000000 06 06 06.9 +03 56 17   1.973   2.829  143.5  12.0  11.5
2011 11 27 000000 06 03 48.7 +03 32 36   1.952   2.832  147.1  10.9  11.4
2011 12 01 000000 06 01 12.9 +03 10 58   1.934   2.834  150.4   9.9  11.4
2011 12 05 000000 05 58 22.3 +02 51 38   1.921   2.837  153.4   9.0  11.3
2011 12 09 000000 05 55 19.9 +02 34 52   1.911   2.839  155.9   8.1  11.3
2011 12 13 000000 05 52 09.0 +02 20 49   1.906   2.842  157.7   7.6  11.2
2011 12 17 000000 05 48 52.9 +02 09 42   1.905   2.844  158.6   7.2  11.2
2011 12 21 000000 05 45 35.1 +02 01 36   1.909   2.847  158.5   7.3  11.2
2011 12 25 000000 05 42 19.5 +01 56 37   1.917   2.850  157.4   7.6  11.3
2011 12 29 000000 05 39 10.0 +01 54 44   1.929   2.853  155.4   8.2  11.3
2012 01 02 000000 05 36 09.9 +01 55 53   1.945   2.856  152.8   9.1  11.4