Minor Planet Radar Database
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83 Beatrix
Classification:  []
H:8.8 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2001 Jan 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 84 km 9 2007Icar..186..126M Arecibo 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 2007Icar..186..126M 10.16 (h) no uncertainty reported, but from Harris(2005). Light curve data
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 0.07 .026 2007Icar..186..126M Freq: 2380
Taken a Arecibo
radar albedo SC σ̂SC .0161 If you take the radar albedo OC*circular polarization ratio.
radar albedo σ̂T
circular polarization ratio μC 0.23 .11 2007Icar..186..126M Freq: 2380
Taken at Arecibo

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO473761 (heliocentric ecliptic J2000)
Element Value Units
e 0.0815213
a 2.4323204 AU
i 4.96396 deg
om 27.73805 deg
w 168.50236 deg
ma 229.73631 deg
n 0.25982018 deg/d

Link to complete orbital information at Minor Planet Center