Asteroid Radar Database
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497 Iva
Classification:  []
H:9.83 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
                 [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 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
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 2025-05-05 00:00 TT from E2025-HB2 (heliocentric ecliptic J2000)
Element Value Units
e 0.3008001
a 2.8502056 AU
i 4.82017 deg
om 6.30775 deg
w 3.3804 deg
ma 177.8132 deg
n 0.20482822 deg/d

Link to complete orbital information at Minor Planet Center