Minor Planet Radar Database
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(2015 PK9)
Classification: APO [NEO]
H:23.7 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2015 Aug Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from E2019-Q29 (heliocentric ecliptic J2000)
Element Value Units
e 0.2345273
a 1.2077276 AU
i 11.12697 deg
om 316.21708 deg
w 296.81859 deg
ma 328.47572 deg
n 0.74259259 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
2011-01-24 18:05:00 0.40947 408.7 0.0
2011-08-18 19:20:00 0.20129 200.9 0.1
2015-02-11 15:36:00 0.32387 323.2 0.0
2015-08-07 05:44:00 0.01482 14.8 585.1
2019-02-25 14:44:00 0.25950 259.0 0.0
2019-07-24 19:57:00 0.10815 107.9 0.7
2023-03-12 18:27:00 0.18822 187.8 0.1
2023-06-01 22:25:00 0.19869 198.3 0.1
2027-03-20 04:12:00 0.15683 156.5 0.2
2027-09-16 06:43:00 0.36849 367.8 0.0

Link to complete Close-Approach Data on SBDB at JPL