Minor Planet Radar Database
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425755 (2011 CP4)
Classification: ATE [NEO, PHA]
H:21.2 mag, G:0.15

  MPC page for this object   |  JPL SBDB page for this object   |  NEODyS-2 page for this object   |  ESA SSA page for this object  

History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2012 Feb Arecibo Arecibo 2380 [A]
2012 Feb Goldstone Goldstone 8560 [G]
2012 Feb Arecibo Very Long Baseline Array 2380 [A-VLBA]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO437659 (heliocentric ecliptic J2000)
Element Value Units
e 0.8702996
a 0.9113984 AU
i 9.45387 deg
om 148.01026 deg
w 159.90847 deg
ma 41.53883 deg
n 1.13276978 deg/d

Link to complete orbital information at Minor Planet Center

Earth Close-Approach Data (+/- 10 years)
date nominal distance RTT SNR/run at Arecibo
2012-02-23 14:02:00 0.02340 23.4 776.2
2014-12-29 22:05:00 0.18390 183.5 0.6
2018-02-24 06:15:00 0.42462 423.8 0.0
2019-02-15 11:51:00 0.22152 221.1 0.3
2021-01-15 11:10:00 0.36066 359.9 0.1
2021-12-30 02:07:00 0.35097 350.3 0.1
2025-02-27 11:23:00 0.26166 261.1 0.2
2026-02-06 11:48:00 0.41117 410.3 0.0
2028-01-07 22:45:00 0.19190 191.5 0.6
2029-01-03 19:52:00 0.48824 487.3 0.0

Link to complete Close-Approach Data on SBDB at JPL