Asteroid Radar Database
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(2017 BY93)
Classification: APO [NEO]
H:23.1 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 MPO411583 (heliocentric ecliptic J2000)
Element Value Units
e 0.5863978
a 1.3006399 AU
i 4.37631 deg
om 155.88324 deg
w 103.24545 deg
ma 286.14584 deg
n 0.66445942 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
2017-02-23 22:00:00 0.00609 6.1 5109.4
2020-02-15 02:52:00 0.21896 218.5 0.0
2023-02-05 08:24:00 0.42928 428.4 0.0
2030-10-11 08:06:00 0.31497 314.3 0.0
2033-10-01 19:19:00 0.11639 116.2 0.4

Link to complete Close-Approach Data on SBDB at JPL