Minor Planet Radar Database
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7753 (1988 XB)
Classification: APO [NEO, PHA]
H:18.6 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2004 Nov Arecibo Arecibo 2380 [A]
2013 Jul Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
name symbol value units uncertainty reference notes
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 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
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 0.17 0.02 2008Icar..198..294B Date: 2007T

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO445326 (heliocentric ecliptic J2000)
Element Value Units
e 0.481599
a 1.4678234 AU
i 3.12295 deg
om 73.42223 deg
w 280.08581 deg
ma 66.76158 deg
n 0.55423426 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
2013-07-10 13:19:00 0.11829 118.1 17.3
2020-11-22 16:55:00 0.06619 66.1 129.5
2029-07-09 23:02:00 0.11478 114.6 19.2

Link to complete Close-Approach Data on SBDB at JPL