Small-Body Radar Database

144900 (2004 VG64)
Classification: ATE [NEO, PHA]
H:18.3 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2005 Oct 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 0.25 0.02 2008Icar..198..294B Date: 2005T

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO372081 (heliocentric ecliptic J2000)
Element Value Units
e 0.655608
a 0.9683296 AU
i 36.26 deg
om 208.87394 deg
w 43.91204 deg
ma 120.94887 deg
n 1.03435414 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
2024-11-01 22:50:00 0.34052 339.8 0.5
2025-10-23 01:57:00 0.08546 85.3 65.6
2026-10-17 01:39:00 0.17964 179.3 5.0
2027-10-19 23:16:00 0.41481 414.0 0.3

Link to complete Close-Approach Data on SBDB at JPL