Asteroid Radar Database
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66146 (1998 TU3)
Classification: ATE [NEO]
H:14.37 mag, G:0.15

  MPC page for this object   |  JPL SBDB page for this object   |  NEODyS-2 page for this object   |  ESA SSA page for this object  

History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2012 Aug Arecibo Arecibo 2380 [A]
2017 Oct Goldstone Goldstone 8560 [G]
2019 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

Orbital Elements at Epoch 2024-10-17 00:00 TT from E2024-Y08 (heliocentric ecliptic J2000)
Element Value Units
e 0.4837543
a 0.7875322 AU
i 5.4099 deg
om 101.97288 deg
w 84.90514 deg
ma 230.70163 deg
n 1.41026769 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
2017-10-31 00:30:00 0.13133 131.1 83.7
2019-08-25 11:36:00 0.07423 74.1 606.8
2024-11-05 19:47:00 0.08884 88.7 325.5
2026-08-26 16:35:00 0.09029 90.1 307.8
2031-11-07 13:21:00 0.08290 82.7 413.8
2033-09-01 07:03:00 0.13199 131.7 82.2

Link to complete Close-Approach Data on SBDB at JPL