20641 Yenuanchen

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Yenuanchen
Discovery and designation
Discovered by Lincoln Laboratory Near-Earth Asteroid Research Team
Discovery site Socorro
Discovery date October 4, 1999
Designations
MPC designation 20641
Alternative names[1] 1999 TF121
Epoch May 14, 2008
Ap 3.3531577
Peri 2.6924261
Eccentricity 0.1092916
Orbital period 1919.6003136
Mean anomaly 253.96560
Inclination 2.85580
Longitude of ascending node 135.73430
Argument of peri 208.23274
Absolute magnitude 14.3

20641 Yenuanchen (1999 TF121) is a Main-belt Asteroid discovered on October 4, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.

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