156 Xanthippe

156 Xanthippe
Discovery[1]
Discovered byJ. Palisa
Discovery siteAustrian Naval Obs.
Discovery date22 November 1875
Designations
(156) Xanthippe[2]
Pronunciation/zænˈθɪpiː/[3]
Named after
Xanthippe
(wife of Socrates)[4]
A875 WA; 1901 SA;
1902 VA; 1936 FG1;
1942 RP; 1949 BN
main-belt[1][5] · (middle)
background[6]
Orbital characteristics[5]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc116.46 yr (42,537 d)
Aphelion3.3475 AU
Perihelion2.1069 AU
2.7272 AU
Eccentricity0.2274
4.50 yr (1,645 d)
34.237°
0° 13m 7.68s / day
Inclination9.7818°
241.83°
338.29°
Physical characteristics
110.409 km[7][8]
110.718±2.187 km[9]
115.49±1.74 km[10]
116.34±4.14 km[11]
120.99±2.5 km[12]
121.68±41.10 km[13]
122.02±31.66 km[14]
143.346±0.903 km[15]
143.35±0.90 km[15]
Mass(6.49±3.71)×1018 kg[11]
Mean density
7.86±4.57 g/cm3[11]
22 h[16]
22.104±0.006 h[16]
22.37±0.01 h[17]
22.5 h[18]
0.030±0.004[15]
0.03±0.03[14]
0.04±0.03[13]
0.0422±0.002[12]
0.047±0.002[10]
0.0504±0.0120[9]
0.0687[7]
Tholen = C[5]
SMASS = Ch[5][8]
B–V = 0.713[5]
U–B = 0.315[5]
8.31[8]
8.31±0.09[7][17]
8.64[5][9][10][12][14][15]
8.65[13]
8.83±0.30[19]

156 Xanthippe is a dark background asteroid from the central regions of the asteroid belt, approximately 120 kilometers (75 miles) in diameter. It was discovered on 22 November 1875, by Austrian astronomer Johann Palisa at the Austrian Naval Observatory, in what is now Croatia.[1] It is named after Xanthippe, the wife of the Greek philosopher Socrates.[4]

  1. ^ a b c Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  2. ^ "Xantippe". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
  3. ^ Benjamin Smith (1903) The Century Dictionary and Cyclopedia
  4. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
  5. ^ a b c d e f g Cite error: The named reference jpldata was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Ferret was invoked but never defined (see the help page).
  7. ^ a b c Cite error: The named reference Pravec-2012b was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference lcdb was invoked but never defined (see the help page).
  9. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  10. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  11. ^ a b c Cite error: The named reference Carry-2012 was invoked but never defined (see the help page).
  12. ^ a b c Cite error: The named reference SIMPS was invoked but never defined (see the help page).
  13. ^ a b c Cite error: The named reference Nugent-2016 was invoked but never defined (see the help page).
  14. ^ a b c Cite error: The named reference Nugent-2015 was invoked but never defined (see the help page).
  15. ^ a b c d Cite error: The named reference Masiero-2012 was invoked but never defined (see the help page).
  16. ^ a b Cite error: The named reference geneva-obs was invoked but never defined (see the help page).
  17. ^ a b Cite error: The named reference Harris-1989b was invoked but never defined (see the help page).
  18. ^ Cite error: The named reference Debehogne-1982a was invoked but never defined (see the help page).
  19. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).