Asteroid Radar Database
  Return to list of asteroid radar detections  

204131 (2003 YL)
Classification: APO [NEO]
H:19.89 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
2014 Dec Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
                 [edit]

Orbital Elements at Epoch 2021-07-05 00:00 TT from MPO648269 (heliocentric ecliptic J2000)
Element Value Units
e 0.6324931
a 1.1465607 AU
i 5.6565 deg
om 291.9598 deg
w 29.41823 deg
ma 163.921 deg
n 0.80280206 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
2012-03-25 16:21:00 0.40337 402.6 0.1
2014-12-14 07:35:00 0.06930 69.2 46.0
2018-04-10 05:55:00 0.42727 426.4 0.1
2018-05-29 21:07:00 0.43551 434.6 0.1
2019-10-13 10:31:00 0.47835 477.4 0.1
2019-12-21 05:47:00 0.47741 476.5 0.1
2023-04-07 19:00:00 0.15137 151.1 3.0
2025-12-26 07:49:00 0.34204 341.4 0.2
2030-12-07 03:38:00 0.20867 208.3 1.0

Link to complete Close-Approach Data on SBDB at JPL