Minor Planet Radar Database
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(2009 DO111)
Classification: APO [NEO]
H:22.8 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2009 Mar Goldstone Goldstone 8560 [G]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO264987 (heliocentric ecliptic J2000)
Element Value Units
e 0.2808977
a 1.0507247 AU
i 2.9808 deg
om 2.03371 deg
w 273.3174 deg
ma 78.44794 deg
n 0.9151045 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
2010-01-23 10:41:00 0.32885 328.2 0.0
2010-06-21 12:00:00 0.26372 263.2 0.0
2010-12-08 10:54:00 0.34665 346.0 0.0
2011-10-01 14:39:00 0.07869 78.5 0.5
2012-10-21 09:32:00 0.38240 381.6 0.0
2023-03-17 11:40:00 0.08222 82.1 0.4
2024-02-01 07:02:00 0.31039 309.8 0.0
2024-06-10 02:18:00 0.25805 257.5 0.0
2024-12-14 00:51:00 0.35991 359.2 0.0
2025-09-27 03:27:00 0.12601 125.8 0.1
2026-10-20 21:31:00 0.35595 355.2 0.0

Link to complete Close-Approach Data on SBDB at JPL