Minor Planet Radar Database
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2102 Tantalus (1975 YA)
Classification: APO [NEO, PHA]
H:16 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
2016 Dec Goldstone Goldstone 8560 [G]
2016 Dec Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO458849 (heliocentric ecliptic J2000)
Element Value Units
e 0.2991815
a 1.2900998 AU
i 64.0069 deg
om 94.36244 deg
w 61.53933 deg
ma 172.94119 deg
n 0.672619 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
2014-06-28 05:50:00 0.42377 422.9 0.6
2016-12-30 14:32:00 0.13748 137.2 31.2
2017-06-22 05:02:00 0.33211 331.4 1.4
2019-12-17 21:00:00 0.25824 257.7 3.5
2020-06-19 03:59:00 0.48300 482.0 0.4

Link to complete Close-Approach Data on SBDB at JPL