Minor Planet Radar Database
  Return to list of asteroid radar detections  

(2011 WN15)
Classification: APO [NEO, PHA]
H:19.6 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
2015 Dec Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
                 [edit]

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO441034 (heliocentric ecliptic J2000)
Element Value Units
e 0.8579531
a 1.216533 AU
i 33.45691 deg
om 75.58571 deg
w 218.52675 deg
ma 220.79377 deg
n 0.73454471 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
2011-12-01 06:59:00 0.23062 230.2 0.6
2015-12-05 13:05:00 0.08286 82.7 21.0
2019-12-10 17:17:00 0.05775 57.6 73.4
2023-12-16 21:34:00 0.20495 204.5 0.9
2027-12-23 15:10:00 0.34998 349.3 0.1

Link to complete Close-Approach Data on SBDB at JPL