Minor Planet Radar Database
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52387 Huitzilopochtli (1993 OM7)
Classification: AMO [NEO]
H:17.7 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2003 Jan Arecibo Arecibo 2380 [A]
2003 Jan Arecibo Green Bank Telescope 2380 [A-GBT]

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 0.27 0.02 2008Icar..198..294B Date: 2003T

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO474408 (heliocentric ecliptic J2000)
Element Value Units
e 0.1896122
a 1.2821329 AU
i 24.15192 deg
om 297.58964 deg
w 195.50809 deg
ma 66.58717 deg
n 0.67889796 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
2016-01-27 22:43:00 0.36218 361.5 1.4
2019-01-12 00:55:00 0.26221 261.7 4.3
2019-05-29 23:46:00 0.49952 498.5 0.5
2022-07-06 15:22:00 0.47961 478.7 0.5

Link to complete Close-Approach Data on SBDB at JPL