Asteroid Radar Database
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3200 Phaethon (1983 TB)
Classification: APO [NEO, PHA]
H:14.4 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2007 Nov Arecibo Arecibo 2380 [A]
2017 Dec Goldstone Goldstone 8560 [G]
2017 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 0.25 0.02 2008Icar..198..294B Date: 2007T

Orbital Elements at Epoch 2024-03-31 00:00 TT from E2024-CB5 (heliocentric ecliptic J2000)
Element Value Units
e 0.8899563
a 1.2713717 AU
i 22.29419 deg
om 265.132 deg
w 322.26623 deg
ma 111.52953 deg
n 0.68753569 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
2016-09-29 00:13:00 0.40220 401.4 6.7
2017-12-16 23:00:00 0.06893 68.8 3114.3
2026-10-07 17:09:00 0.36524 364.5 9.4
2027-12-23 05:46:00 0.26554 265.0 28.6
2030-11-23 19:15:00 0.46452 463.6 4.0

Link to complete Close-Approach Data on SBDB at JPL