Minor Planet Radar Database
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(2003 HN16)
Classification: AMO [NEO]
H:22.3 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2003 May Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO357116 (heliocentric ecliptic J2000)
Element Value Units
e 0.2107437
a 1.2882355 AU
i 26.19138 deg
om 215.47966 deg
w 339.03516 deg
ma 351.54408 deg
n 0.67407962 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
2022-04-30 05:47:00 0.09891 98.7 2.6
2025-04-08 16:52:00 0.36823 367.5 0.0

Link to complete Close-Approach Data on SBDB at JPL