Asteroid Radar Database
  Return to list of asteroid radar detections  

(2018 EJ4)
Classification: AMO [NEO, PHA]
H:21.37 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
2018 Jun Goldstone Goldstone 8560 [G]
2018 Jun Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
                 [edit]

Orbital Elements at Epoch 2024-03-31 00:00 TT from E2021-XH1 (heliocentric ecliptic J2000)
Element Value Units
e 0.1834228
a 1.2569256 AU
i 10.38803 deg
om 78.08332 deg
w 188.21641 deg
ma 38.07182 deg
n 0.69942265 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
2014-12-23 01:49:00 0.49926 498.3 0.0
2018-06-10 19:17:00 0.01428 14.3 4846.4
2025-03-20 19:00:00 0.35201 351.3 0.1
2025-07-19 11:54:00 0.28060 280.0 0.2
2028-11-20 03:21:00 0.47414 473.2 0.0
2032-02-06 09:03:00 0.44633 445.4 0.0

Link to complete Close-Approach Data on SBDB at JPL