Asteroid Radar Database
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497 Iva
Classification:  []
H:9.9 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2008 Nov Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
name symbol value units uncertainty reference notes
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 240 Hz 50 2010Icar..208..221S
minimum Doppler bandwidth Bmin 240 Hz 50 2010Icar..208..221S
effective diameter Deff 40 km 8 2010Icar..208..221S
quality code for size Q 1 JLM
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 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
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 2020-05-31 00:00 TT from MPO530961 (heliocentric ecliptic J2000)
Element Value Units
e 0.3006917
a 2.850434 AU
i 4.82143 deg
om 6.30544 deg
w 3.52615 deg
ma 168.87347 deg
n 0.20480361 deg/d

Link to complete orbital information at Minor Planet Center