Minor Planet Radar Database
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8014 (1990 MF)
Classification: APO [NEO, PHA]
H:18.7 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
1990 Jul Arecibo Arecibo 2380 [A]
1990 Jul Goldstone Goldstone 8495 [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 0.04 2008Icar..198..294B Date: 1990T

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO337323 (heliocentric ecliptic J2000)
Element Value Units
e 0.4559207
a 1.7465692 AU
i 1.86697 deg
om 210.24195 deg
w 114.39947 deg
ma 157.77009 deg
n 0.42699754 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
2013-10-15 04:45:00 0.24255 242.1 1.6
2020-07-23 23:09:00 0.05469 54.6 273.6
2027-06-08 09:35:00 0.36086 360.1 0.4

Link to complete Close-Approach Data on SBDB at JPL