2156 Kate

2156 Kate
Shape model of Kate from its lightcurve
Discovery [1]
Discovered byS. Belyavsky
Discovery siteSimeiz Obs.
Discovery date23 September 1917
Designations
(2156) Kate
Named after
Kate Kristensen
(wife of naming astronomer)[2]
A917 SH · 1937 PK
1954 UT2 · 1956 GP
1957 QK · 1969 BE
1970 LK · 1974 RL1
1976 GK1 · 1979 BC
main-belt · (inner)
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc99.61 yr (36,384 days)
Aphelion2.6942 AU
Perihelion1.7900 AU
2.2421 AU
Eccentricity0.2016
3.36 yr (1,226 days)
264.22°
0° 17m 36.96s / day
Inclination5.3475°
17.175°
4.7281°
Physical characteristics
8.131±0.144 km[3][4]
8.61 km (calculated)[5]
5.62 h[6]
5.62215±0.00005 h[7]
5.6228±0.0003 h[a]
5.623±0.005 h[8]
0.189±0.028[4]
0.20 (assumed)[5]
0.2242±0.0353[3]
Tholen = S [1] · A [9]
B–V = 0.916[1]
U–B = 0.525[1]
12.69[1][5][3] · 13.23±1.05[9]

2156 Kate (prov. designation: A917 SH) is a highly elongated background asteroid from the inner regions of the asteroid belt. The asteroid was discovered on 23 September 1917, by Soviet–Russian astronomer Sergey Belyavsky at the Simeiz Observatory on the Crimean peninsula.[10] It was named for Kate Kristensen, wife of astronomer L. K. Kristensen.[2] The bright S-type/A-type asteroid has a rotation period of 5.6 hours and measures approximately 8 kilometers (5.0 miles) in diameter.

  1. ^ a b c d e f Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference Masiero-2011 was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference lcdb was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Binzel-1983b was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Hanus-2011 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Kryszczynska-2012b was invoked but never defined (see the help page).
  9. ^ a b Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference MPC-Kate was invoked but never defined (see the help page).


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