Asteroid Radar Database
  Return to list of asteroid radar detections  

17511 (1992 QN)
Classification: APO [NEO]
H:17.21 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
1996 Jan 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 1.1 0.19 2008Icar..198..294B Date: 1996T

Orbital Elements at Epoch 2021-07-05 00:00 TT from MPO636327 (heliocentric ecliptic J2000)
Element Value Units
e 0.3589076
a 1.1899639 AU
i 9.58349 deg
om 355.91957 deg
w 202.3575 deg
ma 179.49841 deg
n 0.75928251 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 5.9
2017-12-15 10:54:00 0.41922 418.4 0.7
2018-04-02 12:58:00 0.24044 240.0 4.6
2018-08-20 21:06:00 0.43712 436.3 0.6
2022-01-06 06:38:00 0.30498 304.4 2.0
2027-07-12 04:53:00 0.16186 161.5 18.3
2031-03-10 16:34:00 0.20845 208.0 7.6
2031-08-31 09:45:00 0.49196 491.0 0.4

Link to complete Close-Approach Data on SBDB at JPL