Minor Planet Radar Database
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(2017 HK1)
Classification: ATE [NEO]
H:25.1 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2017 May Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO419559 (heliocentric ecliptic J2000)
Element Value Units
e 0.147096
a 0.9090059 AU
i 1.51011 deg
om 141.14143 deg
w 258.7286 deg
ma 286.78717 deg
n 1.1372449 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
2010-03-21 00:54:00 0.33596 335.3 0.0
2010-10-26 12:00:00 0.21928 218.8 0.0
2011-06-03 06:05:00 0.32594 325.3 0.0
2017-05-05 15:40:00 0.04329 43.2 6.8
2023-03-19 21:51:00 0.31851 317.9 0.0
2023-10-22 21:46:00 0.21889 218.5 0.0
2024-06-01 08:22:00 0.33839 337.7 0.0

Link to complete Close-Approach Data on SBDB at JPL