Minor Planet Radar Database
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418849 (2008 WM64)
Classification: APO [NEO, PHA]
H:20.6 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]
2016 Dec Arecibo Arecibo 2380 [A]
2017 Dec Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
                 [edit]

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO472211 (heliocentric ecliptic J2000)
Element Value Units
e 0.1065305
a 1.0050896 AU
i 33.52844 deg
om 91.45518 deg
w 256.50646 deg
ma 211.4618 deg
n 0.97813066 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
2009-12-18 00:51:00 0.38694 386.2 0.1
2010-06-24 13:38:00 0.06367 63.5 29.5
2010-12-18 12:10:00 0.34294 342.3 0.1
2011-06-26 22:29:00 0.10153 101.3 5.8
2011-12-19 03:20:00 0.29794 297.3 0.1
2012-06-28 09:08:00 0.14491 144.6 1.7
2012-12-18 19:47:00 0.25190 251.4 0.2
2013-06-30 20:15:00 0.19043 190.0 0.7
2013-12-19 14:14:00 0.20562 205.2 0.5
2014-07-03 07:53:00 0.23692 236.5 0.3
2014-12-20 11:26:00 0.15954 159.2 1.2
2015-07-05 19:35:00 0.28309 282.5 0.2
2015-12-21 09:17:00 0.11440 114.2 3.9
2016-07-07 05:44:00 0.32872 328.1 0.1
2016-12-21 09:28:00 0.07193 71.8 19.3
2017-07-09 16:30:00 0.37287 372.1 0.1
2017-12-22 10:15:00 0.03918 39.1 157.1
2018-07-11 22:04:00 0.41473 413.9 0.0
2018-12-23 12:02:00 0.04252 42.4 118.6
2019-07-14 05:07:00 0.45768 456.8 0.0
2019-12-24 16:33:00 0.07857 78.4 14.2
2020-12-25 00:04:00 0.12397 123.7 2.9
2021-12-26 10:05:00 0.17250 172.2 0.9
2022-12-27 22:09:00 0.22293 222.5 0.4
2023-12-29 12:48:00 0.27460 274.0 0.2
2024-12-30 04:30:00 0.32706 326.4 0.1
2025-12-31 23:25:00 0.37986 379.1 0.1
2027-01-02 18:12:00 0.43281 431.9 0.0
2028-01-04 15:46:00 0.48608 485.1 0.0

Link to complete Close-Approach Data on SBDB at JPL