Asteroid Radar Database
  Return to list of asteroid radar detections  

416801 (2005 GC120)
Classification: APO [NEO, PHA]
H:19.65 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
2010 Dec Goldstone Goldstone 8560 [G]

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 2025-05-05 00:00 TT from E2024-CA7 (heliocentric ecliptic J2000)
Element Value Units
e 0.4974121
a 1.1935066 AU
i 16.53755 deg
om 67.92681 deg
w 258.3063 deg
ma 64.37032 deg
n 0.7559043 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
2018-07-15 22:33:00 0.41718 416.3 0.5
2022-05-09 18:06:00 0.10545 105.2 62.2
2023-12-12 17:29:00 0.30347 302.9 1.6
2027-11-20 11:27:00 0.24967 249.2 3.1
2031-08-15 01:27:00 0.46535 464.4 0.3
2035-05-29 07:34:00 0.23397 233.5 3.9

Link to complete Close-Approach Data on SBDB at JPL