Minor Planet Radar Database
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17511 (1992 QN)
Classification: APO [NEO]
H:17.3 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
1996 Jan Goldstone Goldstone 8510 [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 1.1 0.19 2008Icar..198..294B Date: 1996T

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO467894 (heliocentric ecliptic J2000)
Element Value Units
e 0.3588353
a 1.1900222 AU
i 9.58245 deg
om 355.92845 deg
w 202.36541 deg
ma 292.09024 deg
n 0.75922674 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 5.6
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 17.2

Link to complete Close-Approach Data on SBDB at JPL