Minor Planet Radar Database
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(2018 VX8)
Classification: APO [NEO]
H:22.5 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2019 May 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 E2019-PA4 (heliocentric ecliptic J2000)
Element Value Units
e 0.2322967
a 1.1880351 AU
i 27.7873 deg
om 51.94919 deg
w 117.16014 deg
ma 29.3566 deg
n 0.76113232 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
2009-11-28 15:37:00 0.28328 282.7 0.1
2010-04-25 11:51:00 0.40456 403.8 0.0
2018-11-20 12:51:00 0.28189 281.3 0.1
2019-05-12 08:55:00 0.01584 15.8 1255.8
2027-11-10 00:00:00 0.41030 409.5 0.0
2028-05-23 07:10:00 0.24398 243.5 0.1

Link to complete Close-Approach Data on SBDB at JPL