Minor Planet Radar Database
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(2017 HB1)
Classification: APO [NEO]
H:26.3 mag, G:0.15

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

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO405799 (heliocentric ecliptic J2000)
Element Value Units
e 0.2857389
a 1.3066828 AU
i 3.86628 deg
om 206.56245 deg
w 55.54423 deg
ma 96.43412 deg
n 0.65985542 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
2011-07-09 13:45:00 0.09505 94.9 0.2
2014-05-25 07:57:00 0.08557 85.4 0.3
2017-04-24 09:07:00 0.00922 9.2 481.3
2017-09-15 00:53:00 0.33982 339.1 0.0
2020-04-15 09:41:00 0.07805 77.9 0.4
2020-09-26 12:15:00 0.39230 391.5 0.0
2023-04-08 17:01:00 0.18886 188.5 0.0
2023-10-08 14:00:00 0.45059 449.7 0.0
2026-04-02 04:08:00 0.30683 306.2 0.0
2029-03-26 22:20:00 0.42945 428.6 0.0

Link to complete Close-Approach Data on SBDB at JPL