Minor Planet Radar Database
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52760 (1998 ML14)
Classification: APO [NEO, PHA]
H:17.5 mag, G:0.15
Wavefront file Reference: 2001M&PS...36.1225O

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
1998 Aug Goldstone Goldstone 8510 [G]
1998 Aug Arecibo Arecibo 2380 [A]
2013 Aug Goldstone Goldstone 8560 [G]
2013 Aug 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 0.3 0.03 2008Icar..198..294B Date: 1998T

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO439448 (heliocentric ecliptic J2000)
Element Value Units
e 0.6234549
a 2.4079361 AU
i 2.42805 deg
om 338.72181 deg
w 20.29642 deg
ma 179.85651 deg
n 0.26377683 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
2013-08-24 10:43:00 0.05626 56.1 800.7
2028-07-22 13:13:00 0.15697 156.7 22.8

Link to complete Close-Approach Data on SBDB at JPL