Asteroid Radar Database
  Return to list of asteroid radar detections  

(2014 HQ124)
Classification: ATE [NEO, PHA]
H:18.92 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
2014 Jun Goldstone Goldstone 8560 [G]
2014 Jun Arecibo Arecibo 2380 [A]
2014 Jun Goldstone Arecibo 8560 [G-A]
2014 Jun Arecibo Very Long Baseline Array 2380 [A-VLBA]
2014 Jun Goldstone Goldstone DSS-13 8560 [G-DSS13]

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 2024-10-17 00:00 TT from MPO740441 (heliocentric ecliptic J2000)
Element Value Units
e 0.2591655
a 0.8509159 AU
i 26.37014 deg
om 257.54018 deg
w 144.5265 deg
ma 307.14167 deg
n 1.25566603 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
2017-11-13 00:42:00 0.39788 397.1 0.2
2018-05-27 11:05:00 0.43259 431.7 0.1
2021-02-10 16:37:00 0.43315 432.3 0.1
2021-05-31 23:25:00 0.33999 339.3 0.3
2024-12-22 02:26:00 0.31676 316.1 0.4
2025-06-06 23:00:00 0.07231 72.2 65.9
2028-11-03 22:49:00 0.42408 423.2 0.1
2032-01-31 13:14:00 0.39538 394.6 0.2
2032-06-04 14:10:00 0.26546 264.9 0.7

Link to complete Close-Approach Data on SBDB at JPL