Minor Planet Radar Database
  Return to list of asteroid radar detections  

18 Melpomene
Classification:  []
H:6.51 mag, G:0.25

  MPC page for this object   |  JPL SBDB page for this object   |  ASTDyS page for this object  

History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
1985 Dec Arecibo Arecibo 2380 [A]
1995 Sep Goldstone Goldstone 8510 [G]

Radar-Based Physical Properties
                 [edit]

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO467603 (heliocentric ecliptic J2000)
Element Value Units
e 0.2176744
a 2.2966536 AU
i 10.12873 deg
om 150.38387 deg
w 227.95081 deg
ma 267.2544 deg
n 0.28317887 deg/d

Link to complete orbital information at Minor Planet Center