Minor Planet Radar Database
  Return to list of asteroid radar detections  

6239 Minos (1989 QF)
Classification: APO [NEO, PHA]
H:18.5 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
2004 Feb Goldstone Goldstone 8560 [G]
2004 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 0.23 0.04 2008Icar..198..294B Date: 2004T

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO371031 (heliocentric ecliptic J2000)
Element Value Units
e 0.4127379
a 1.1513612 AU
i 3.94247 deg
om 344.59346 deg
w 239.7045 deg
ma 68.59165 deg
n 0.79778652 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
2010-08-10 21:08:00 0.09849 98.3 33.0
2015-06-03 17:40:00 0.31910 318.5 0.6
2015-09-12 03:28:00 0.40694 406.1 0.2
2019-12-31 17:00:00 0.42426 423.4 0.2
2020-04-14 11:00:00 0.31855 317.9 0.6
2025-02-05 09:34:00 0.09906 98.9 32.3
2026-08-28 16:45:00 0.28009 279.5 0.9

Link to complete Close-Approach Data on SBDB at JPL