Small-Body Radar Database

7025 (1993 QA)
Classification: AMO [NEO]
H:18.3 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
1996 Feb Goldstone Goldstone 8510 [G]

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 0.28 0.03 2008Icar..198..294B Date: 1996T

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO452267 (heliocentric ecliptic J2000)
Element Value Units
e 0.3150944
a 1.4757578 AU
i 12.60694 deg
om 146.62748 deg
w 323.38641 deg
ma 355.30738 deg
n 0.54977053 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
2013-12-04 07:23:00 0.43977 438.9 0.1
2014-03-16 20:48:00 0.46561 464.7 0.1

Link to complete Close-Approach Data on SBDB at JPL