Asteroid Radar Database
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306383 (1993 VD)
Classification: ATE [NEO, PHA]
H:21.49 mag, G:0.15

  MPC page for this object   |  JPL SBDB page for this object   |  NEODyS-2 page for this object   |  ESA SSA page for this object  

History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2018 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 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 2024-03-31 00:00 TT from MPO697270 (heliocentric ecliptic J2000)
Element Value Units
e 0.5514826
a 0.8758692 AU
i 2.06665 deg
om 2.18139 deg
w 254.2232 deg
ma 125.63043 deg
n 1.20238953 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
2016-11-11 19:56:00 0.30005 299.5 0.1
2018-01-22 18:58:00 0.03680 36.7 66.6
2020-10-30 09:19:00 0.20643 206.0 0.2
2021-12-19 19:50:00 0.36218 361.5 0.0
2023-01-05 00:03:00 0.49808 497.1 0.0
2025-11-03 06:11:00 0.24218 241.7 0.1
2027-01-24 02:21:00 0.07913 79.0 4.8
2029-11-03 09:02:00 0.30143 300.8 0.1
2030-12-12 15:52:00 0.37459 373.8 0.0
2032-01-09 11:43:00 0.40413 403.3 0.0

Link to complete Close-Approach Data on SBDB at JPL