Asteroid Radar Database
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(2014 XJ3)
Classification: APO [NEO, PHA]
H:20.09 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2014 Dec Goldstone Goldstone 8560 [G]
2014 Dec Arecibo Arecibo 2380 [A]

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

Orbital Elements at Epoch 2024-03-31 00:00 TT from MPO750185 (heliocentric ecliptic J2000)
Element Value Units
e 0.7248214
a 2.1365 AU
i 1.17543 deg
om 22.90466 deg
w 161.35735 deg
ma 334.00912 deg
n 0.31560925 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
2014-12-26 06:35:00 0.03210 32.0 566.2
2018-03-21 12:28:00 0.41450 413.7 0.1
2021-06-19 13:29:00 0.10640 106.2 9.1

Link to complete Close-Approach Data on SBDB at JPL