Asteroid Radar Database
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7889 (1994 LX)
Classification: APO [NEO]
H:15.32 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2005 Jan Arecibo Arecibo 2380 [A]

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 0.57 0.05 2008Icar..198..294B Date: 2005T

Orbital Elements at Epoch 2024-03-31 00:00 TT from E2024-M18 (heliocentric ecliptic J2000)
Element Value Units
e 0.3462619
a 1.2615765 AU
i 36.90717 deg
om 111.26186 deg
w 349.18144 deg
ma 197.98349 deg
n 0.69555853 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
2014-12-22 16:52:00 0.30393 303.3 2.2
2022-01-29 22:40:00 0.26819 267.7 3.4
2031-12-24 03:34:00 0.29228 291.7 2.5

Link to complete Close-Approach Data on SBDB at JPL