Asteroid Radar Database
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551685 (2013 HT15)
Classification: APO [NEO, PHA]
H:21.71 mag, G:0.15

  MPC page for this object   |  JPL SBDB page for this object   |  NEODyS-2 page for this object   |  ESA SSA page for this object  

History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2013 May Goldstone Goldstone 8560 [G]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2021-07-05 00:00 TT from MPO601527 (heliocentric ecliptic J2000)
Element Value Units
e 0.4230044
a 1.1007389 AU
i 2.92118 deg
om 23.45018 deg
w 315.70404 deg
ma 321.63592 deg
n 0.853449 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
2013-05-16 17:27:00 0.04456 44.5 61.3
2014-10-01 21:50:00 0.34250 341.8 0.1
2015-01-11 20:46:00 0.40648 405.7 0.0
2016-01-03 10:54:00 0.49452 493.5 0.0
2020-04-26 08:32:00 0.42652 425.7 0.0
2021-04-11 02:47:00 0.43264 431.8 0.0
2021-08-04 02:50:00 0.35910 358.4 0.0
2022-12-13 20:57:00 0.05562 55.5 28.5
2028-05-19 09:59:00 0.10824 108.0 2.8
2029-10-14 01:09:00 0.31491 314.3 0.1
2030-01-02 19:11:00 0.35612 355.4 0.0

Link to complete Close-Approach Data on SBDB at JPL