Asteroid 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 2022-01-21 00:00 TT from MPO357116 (heliocentric ecliptic J2000)
Element Value Units
e 0.2108756
a 1.2882969 AU
i 26.19093 deg
om 215.46356 deg
w 339.02293 deg
ma 305.62325 deg
n 0.67403137 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 2.9
2025-04-08 16:52:00 0.36823 367.5 0.0

Link to complete Close-Approach Data on SBDB at JPL