Asteroid Radar Database
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(2015 OH)
Classification: AMO [NEO]
H:19.87 mag, G:0.15

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

Radar-Based Physical Properties
                 [edit]
name symbol value units uncertainty reference notes
morphology
number of components N
morphological type
spectrum-based or image-based dimensions
maximum range extent Rmax km
minimum range extent Rmin km
maximum Doppler bandwidth Bmax Hz
minimum Doppler bandwidth Bmin Hz
effective diameter Deff km
quality code for size Q
shape-based dimensions
equivalent diameter Dequ km
extent along principal axis x Ex km
extent along principal axis y Ey km
extent along principal axis z Ez km
DEEVE extent along x Dx km
DEEVE extent along y Dy km
DEEVE extent along z Dz km
surface area A km2
volume V km3
spin
spin period Pspin h
spin rate ω deg/day
YORP acceleration ω̇ deg/day2
spin axis ecliptic longitude λ deg
spin axis ecliptic latitude β deg
reflectivity
radar cross-section OC σOC km2
radar cross-section SC σSC km2
radar cross-section σT km2
projected area Aproj km2
radar albedo OC σ̂OC
radar albedo SC σ̂SC
radar albedo σ̂T
circular polarization ratio μC

Orbital Elements at Epoch 2024-03-31 00:00 TT from E2024-CE5 (heliocentric ecliptic J2000)
Element Value Units
e 0.1889298
a 1.321402 AU
i 15.33521 deg
om 299.30289 deg
w 326.61363 deg
ma 287.35962 deg
n 0.64886091 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
2015-07-16 03:05:00 0.14225 142.0 4.2
2018-07-19 17:53:00 0.13387 133.6 5.2
2021-03-10 15:36:00 0.39728 396.5 0.1
2021-07-26 10:16:00 0.35072 350.0 0.2
2024-02-19 07:29:00 0.44686 446.0 0.1
2027-02-03 23:40:00 0.49588 494.9 0.1

Link to complete Close-Approach Data on SBDB at JPL