Asteroid Radar Database
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207398 (2006 AS2)
Classification: APO [NEO, PHA]
H:20.36 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
2009 Feb Goldstone Goldstone 8560 [G]
2009 Feb 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 2025-05-05 00:00 TT from MPO842875 (heliocentric ecliptic J2000)
Element Value Units
e 0.6419178
a 2.0903515 AU
i 2.59642 deg
om 125.62718 deg
w 80.05906 deg
ma 115.1275 deg
n 0.32611825 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
2018-05-15 07:34:00 0.22413 223.7 0.6
2021-06-16 02:34:00 0.10767 107.5 7.7
2024-07-02 05:33:00 0.05588 55.8 74.4
2027-07-11 06:33:00 0.18582 185.4 1.1
2030-07-19 06:20:00 0.33583 335.2 0.1
2033-07-26 06:59:00 0.48139 480.4 0.0

Link to complete Close-Approach Data on SBDB at JPL