Asteroid Radar Database
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17511 (1992 QN)
Classification: APO [NEO]
H:17.24 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
1996 Jan Goldstone Goldstone 8560 [G]

Radar-Based Physical Properties
name symbol value units uncertainty reference notes
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 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 1.1 0.19 2008Icar..198..294B Date: 1996T

Orbital Elements at Epoch 2022-01-21 00:00 TT from MPO660785 (heliocentric ecliptic J2000)
Element Value Units
e 0.3589418
a 1.1899515 AU
i 9.58384 deg
om 355.91523 deg
w 202.36108 deg
ma 331.3624 deg
n 0.75929434 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
2014-07-18 07:22:00 0.22370 223.3 5.5
2017-12-15 10:54:00 0.41922 418.4 0.6
2018-04-02 12:58:00 0.24044 240.0 4.3
2018-08-20 21:06:00 0.43712 436.3 0.5
2022-01-06 06:38:00 0.30498 304.4 1.9
2027-07-12 04:53:00 0.16186 161.5 16.9
2031-03-10 16:34:00 0.20845 208.0 7.0
2031-08-31 09:45:00 0.49196 491.0 0.3

Link to complete Close-Approach Data on SBDB at JPL