Asteroid Radar Database
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(2017 BW)
Classification: APO [NEO]
H:23.49 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2017 Feb 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 2025-11-21 00:00 TT from MPO704161 (heliocentric ecliptic J2000)
Element Value Units
e 0.1397206
a 1.0756431 AU
i 4.75931 deg
om 142.50547 deg
w 70.22845 deg
ma 256.11931 deg
n 0.88349028 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
2017-02-17 01:41:00 0.01191 11.9 2852.7
2017-09-24 02:27:00 0.21715 216.7 0.1
2018-08-03 10:01:00 0.40528 404.5 0.0
2026-01-25 11:39:00 0.48542 484.5 0.0
2026-12-20 03:10:00 0.20195 201.5 0.2
2027-07-19 09:12:00 0.07811 78.0 5.0

Link to complete Close-Approach Data on SBDB at JPL