5481 Kiuchi

5481 Kiuchi
Discovery [1]
Discovered byK. Endate
K. Watanabe
Discovery siteKitami Obs.
Discovery date15 February 1990
Designations
(5481) Kiuchi
Named after
Tsuruhiko Kiuchi
(Japanese amateur astronomer)[2]
1990 CH · 1970 SR
main-belt · Vesta [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc46.14 yr (16,851 days)
Aphelion2.4858 AU
Perihelion2.1936 AU
2.3397 AU
Eccentricity0.0624
3.58 yr (1,307 days)
194.33°
0° 16m 31.44s / day
Inclination5.9569°
326.10°
250.69°
Known satellites1 (Ds/Dp 0.33, P: 20.90 h)[4]
Physical characteristics
3.86 km (calculated)[5]
3.6196±0.0002 h[4][6]
0.40 (assumed)[5]
V [5][7]
12.98±0.1 (R)[4] · 13.4[1] · 13.676±0.062[5][8] · 13.73±0.29[7]

5481 Kiuchi, provisional designation 1990 CH, is a bright binary[4] Vestian asteroid from the inner regions of the asteroid belt, approximately 4 kilometers (2.5 miles) in diameter. It was discovered on 15 February 1990, by Japanese astronomers Kin Endate and Kazuro Watanabe at Kitami Observatory in Hokkaidō, Japan, and named after their colleague Tsuruhiko Kiuchi.[2][9] The V-type asteroid has a rotation period of 3.6 hours.[5]

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  4. ^ a b c d Cite error: The named reference Kusnirak-2008a was invoked but never defined (see the help page).
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  7. ^ a b Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Pravec-2012b was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference MPC-Kiuchi was invoked but never defined (see the help page).