Minor Planet Radar Database
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(2017 NH)
Classification: APO [NEO, PHA]
H:21.5 mag, G:0.15

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

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO435134 (heliocentric ecliptic J2000)
Element Value Units
e 0.3296489
a 1.393916 AU
i 6.24999 deg
om 269.53711 deg
w 71.79094 deg
ma 5.03103 deg
n 0.59889293 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
2012-06-04 16:41:00 0.41417 413.3 0.0
2012-10-29 12:28:00 0.12797 127.7 1.4
2017-07-12 19:04:00 0.04246 42.4 65.7
2017-11-18 21:42:00 0.34523 344.5 0.1
2022-06-17 00:22:00 0.37975 379.0 0.0

Link to complete Close-Approach Data on SBDB at JPL