Asteroid Radar Database
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(2015 OQ21)
Classification: ATE [NEO]
H:27.9 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
2015 Jul Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2021-07-05 00:00 TT from MPO344195 (heliocentric ecliptic J2000)
Element Value Units
e 0.364272
a 0.789352 AU
i 1.60095 deg
om 125.55935 deg
w 328.74441 deg
ma 44.77504 deg
n 1.40539371 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
2013-01-21 02:27:00 0.47326 472.3 0.0
2013-07-15 04:28:00 0.47722 476.3 0.0
2015-04-03 19:14:00 0.31698 316.3 0.0
2015-07-24 00:00:00 0.00380 3.8 0.0
2017-05-31 09:55:00 0.32086 320.2 0.0
2017-11-13 03:17:00 0.44512 444.2 0.0
2020-01-15 19:26:00 0.47241 471.5 0.0
2022-07-12 01:44:00 0.04692 46.8 0.8
2024-06-02 17:54:00 0.39043 389.7 0.0
2024-11-20 22:14:00 0.45768 456.8 0.0
2027-01-23 07:26:00 0.46402 463.1 0.0
2027-07-16 18:01:00 0.43806 437.2 0.0
2029-06-24 21:02:00 0.06178 61.7 0.3
2031-06-06 01:45:00 0.44826 447.4 0.0

Link to complete Close-Approach Data on SBDB at JPL