Minor Planet Radar Database
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66063 (1998 RO1)
Classification: ATE [NEO]
H:18.1 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2003 Sep Arecibo Arecibo 2380 [A]
2004 Oct Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
name symbol value units uncertainty reference notes
morphology
number of components N 2 - binary
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 0.24 0.05 2008Icar..198..294B Date: 2003T

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO445646 (heliocentric ecliptic J2000)
Element Value Units
e 0.7200289
a 0.990949 AU
i 22.6778 deg
om 351.87109 deg
w 151.1284 deg
ma 228.461 deg
n 0.99914171 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
2010-09-09 20:24:00 0.44887 448.0 0.2

Link to complete Close-Approach Data on SBDB at JPL