Small-Body Radar Database

153591 (2001 SN263)
Classification: AMO [NEO]
H:16.9 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2008 Feb Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
name symbol value units uncertainty reference notes
morphology
number of components N 3 - triple
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 2.6 km 2011AJ....141..154F quantity listed-find uncertainty
in paper referenced by 2011AJ....141..154F

at 2380MHz
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 0.16 0.01 2008Icar..198..294B Date: 2008T

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO469627 (heliocentric ecliptic J2000)
Element Value Units
e 0.4780846
a 1.9868194 AU
i 6.6836 deg
om 325.81505 deg
w 172.85513 deg
ma 359.75464 deg
n 0.35193827 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
2022-02-28 16:18:00 0.10090 100.7 146.6

Link to complete Close-Approach Data on SBDB at JPL