Asteroid Radar Database
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162173 Ryugu (1999 JU3)
Classification: APO [NEO, PHA]
H:19.55 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2020 Dec Goldstone Goldstone 8560 [G]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2024-03-31 00:00 TT from E2024-CG3 (heliocentric ecliptic J2000)
Element Value Units
e 0.191066
a 1.1910136 AU
i 5.86652 deg
om 251.2954 deg
w 211.61569 deg
ma 175.65977 deg
n 0.75827891 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
2016-07-24 20:22:00 0.39641 395.6 0.6
2020-12-29 00:46:00 0.06053 60.4 385.7
2025-06-03 19:59:00 0.37291 372.2 0.7
2029-07-31 11:09:00 0.39160 390.8 0.6
2033-12-21 05:53:00 0.04744 47.3 893.1

Link to complete Close-Approach Data on SBDB at JPL