Asteroid Radar Database
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311066 (2004 DC)
Classification: APO [NEO, PHA]
H:18.29 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2006 May Goldstone Goldstone 8560 [G]
2006 May Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
name symbol value units uncertainty reference notes
number of components N 2 - binary
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 0.9 0.05 2008Icar..198..294B

Orbital Elements at Epoch 2024-03-31 00:00 TT from MPO779225 (heliocentric ecliptic J2000)
Element Value Units
e 0.3994647
a 1.634115 AU
i 19.45814 deg
om 74.90448 deg
w 156.32151 deg
ma 201.7997 deg
n 0.47182413 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
2029-05-13 18:36:00 0.19009 189.7 3.3
2031-07-03 13:07:00 0.32867 328.0 0.5

Link to complete Close-Approach Data on SBDB at JPL