Minor Planet Radar Database
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484402 (2007 XH16)
Classification: APO [NEO, PHA]
H:19.6 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2007 Dec 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 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

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO437843 (heliocentric ecliptic J2000)
Element Value Units
e 0.2347958
a 1.1870814 AU
i 27.43055 deg
om 91.29238 deg
w 58.29437 deg
ma 238.84797 deg
n 0.7620497 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
2017-01-05 05:29:00 0.34845 347.8 0.2
2017-06-08 19:05:00 0.24834 247.8 0.7
2020-12-06 13:47:00 0.40679 406.0 0.1
2021-07-05 09:22:00 0.48663 485.7 0.1
2026-06-10 02:12:00 0.44730 446.4 0.1

Link to complete Close-Approach Data on SBDB at JPL