Asteroid Radar Database
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97 Klotho
Classification:  []
H:7.84 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
1981 Jan Arecibo Arecibo 2380 [A]
1993 Dec Goldstone Goldstone 8560 [G]
2006 Dec 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 Hz
minimum Doppler bandwidth Bmin Hz
effective diameter Deff 108 km 1985Sci...229..442O
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 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 1100 km2 320 1985Sci...229..442O Freq: 2380
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 2024-03-31 00:00 TT from E2024-E02 (heliocentric ecliptic J2000)
Element Value Units
e 0.2581082
a 2.6688524 AU
i 11.77569 deg
om 159.60268 deg
w 268.41391 deg
ma 358.35644 deg
n 0.22605663 deg/d

Link to complete orbital information at Minor Planet Center