Asteroid Radar Database
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7335 (1989 JA)
Classification: APO [NEO, PHA]
H:17.53 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
1989 May Arecibo Arecibo 2380 [A]
1989 May Goldstone Goldstone 8560 [G]

Radar-Based Physical Properties
name symbol value units uncertainty reference notes
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 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
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 0.19 0.06 2008Icar..198..294B Date: 1989T

Orbital Elements at Epoch 2022-01-21 00:00 TT from MPO660785 (heliocentric ecliptic J2000)
Element Value Units
e 0.484138
a 1.7707401 AU
i 15.19185 deg
om 61.3009 deg
w 232.30586 deg
ma 291.127 deg
n 0.41828458 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
2015-05-01 17:31:00 0.40913 408.3 1.8
2022-05-27 14:26:00 0.02690 26.8 22153.2
2029-09-12 18:08:00 0.26966 269.1 7.6

Link to complete Close-Approach Data on SBDB at JPL