Asteroid Radar Database
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(2018 PK21)
Classification: ATE [NEO]
H:25.88 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
2020 Dec Goldstone Goldstone 8560 [G]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2024-03-31 00:00 TT from MPO782496 (heliocentric ecliptic J2000)
Element Value Units
e 0.0809051
a 0.9833082 AU
i 1.22319 deg
om 302.62563 deg
w 227.42365 deg
ma 58.44376 deg
n 1.01081015 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
2014-07-25 18:18:00 0.41059 409.8 0.0
2015-07-20 21:51:00 0.28938 288.8 0.0
2016-07-15 06:16:00 0.16862 168.3 0.0
2017-07-11 05:04:00 0.05174 51.6 2.1
2018-07-30 04:07:00 0.04007 40.0 5.2
2019-04-02 09:07:00 0.08791 87.7 0.3
2019-10-15 15:32:00 0.06099 60.9 1.2
2020-02-01 21:58:00 0.06891 68.8 0.8
2020-12-08 02:24:00 0.03129 31.2 12.1
2021-12-01 15:19:00 0.17991 179.6 0.0
2022-11-24 18:20:00 0.33438 333.7 0.0
2023-11-17 16:38:00 0.48797 487.0 0.0

Link to complete Close-Approach Data on SBDB at JPL