Asteroid Radar Database
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215588 (2003 HF2)
Classification: APO [NEO, PHA]
H:19.42 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
2017 Mar Arecibo Arecibo 2380 [A]
2017 Mar 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

Orbital Elements at Epoch 2024-10-17 00:00 TT from E2024-J99 (heliocentric ecliptic J2000)
Element Value Units
e 0.6755091
a 1.1139688 AU
i 3.05656 deg
om 189.88221 deg
w 231.03937 deg
ma 195.33407 deg
n 0.83829051 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
2017-03-28 19:42:00 0.04268 42.6 373.8
2020-07-02 20:10:00 0.32901 328.4 0.3
2024-04-11 02:49:00 0.35681 356.1 0.2
2027-07-17 00:52:00 0.05387 53.8 167.8
2030-03-26 18:32:00 0.36306 362.3 0.2
2034-07-22 05:16:00 0.30216 301.6 0.4

Link to complete Close-Approach Data on SBDB at JPL