Minor Planet Radar Database
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7341 (1991 VK)
Classification: APO [NEO, PHA]
H:16.7 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
1997 Jan Goldstone Goldstone 8510 [G]
2007 Jan Arecibo Arecibo 2380 [A]
2012 Jan Arecibo Arecibo 2380 [A]
2012 Jan Goldstone Goldstone 8560 [G]
2016 Dec Arecibo Arecibo 2380 [A]
2017 Jan Goldstone Goldstone 8560 [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 0.17 0.02 2008Icar..198..294B Date: 2007T

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO452272 (heliocentric ecliptic J2000)
Element Value Units
e 0.5067371
a 1.8414127 AU
i 5.41718 deg
om 294.80885 deg
w 173.33763 deg
ma 329.32956 deg
n 0.39443674 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
2012-01-25 23:47:00 0.06504 64.9 256.3
2017-01-25 12:51:00 0.06471 64.6 260.9
2022-01-25 17:09:00 0.06398 63.8 271.3
2027-01-22 03:02:00 0.06813 68.0 218.3

Link to complete Close-Approach Data on SBDB at JPL