Minor Planet Radar Database
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(2015 XN55)
Classification: APO [NEO]
H:27.2 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2015 Dec Goldstone Goldstone 8560 [G]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO369287 (heliocentric ecliptic J2000)
Element Value Units
e 0.2540204
a 1.2094806 AU
i 2.95421 deg
om 75.95911 deg
w 61.29656 deg
ma 157.17075 deg
n 0.74097869 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
2011-12-10 09:39:00 0.04377 43.7 1.6
2012-05-30 09:21:00 0.32185 321.2 0.0
2015-12-15 05:33:00 0.00632 6.3 659.5
2016-05-26 14:38:00 0.30154 300.9 0.0
2019-12-08 22:34:00 0.05855 58.4 0.6
2020-06-04 01:47:00 0.33222 331.6 0.0
2023-12-01 19:20:00 0.16323 162.9 0.0
2024-06-15 23:52:00 0.37748 376.7 0.0
2027-11-25 08:52:00 0.28154 281.0 0.0
2028-06-27 08:10:00 0.41808 417.2 0.0

Link to complete Close-Approach Data on SBDB at JPL