Asteroid Radar Database
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413260 (2003 TL4)
Classification: ATE [NEO, PHA]
H:19.45 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
2003 Oct Goldstone Goldstone 8560 [G]
2003 Oct Arecibo Arecibo 2380 [A]
2016 Oct Goldstone Goldstone 8560 [G]
2016 Oct Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2021-07-05 00:00 TT from MPO600179 (heliocentric ecliptic J2000)
Element Value Units
e 0.3814219
a 0.7767072 AU
i 12.18736 deg
om 220.01521 deg
w 321.95825 deg
ma 186.60185 deg
n 1.43985286 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
2014-05-12 09:47:00 0.47483 473.9 0.2
2014-10-22 14:32:00 0.29926 298.7 1.0
2016-06-19 19:14:00 0.38962 388.8 0.4
2016-10-27 16:47:00 0.02586 25.8 4750.8
2018-09-11 17:27:00 0.18472 184.4 5.4
2020-09-01 17:16:00 0.34949 348.8 0.6
2021-02-10 01:19:00 0.49247 491.5 0.2
2027-05-15 22:21:00 0.46867 467.7 0.2
2027-10-23 23:09:00 0.26999 269.4 1.4
2029-06-25 19:16:00 0.37616 375.4 0.5
2029-10-26 15:29:00 0.04253 42.4 870.9
2031-09-06 00:22:00 0.19403 193.6 4.5

Link to complete Close-Approach Data on SBDB at JPL