220 Stephania

220 Stephania
Lightcurve-based 3D-model of Stephania
Discovery [1]
Discovered byJ. Palisa
Discovery siteVienna Obs.
Discovery date19 May 1881
Designations
(220) Stephania
Pronunciation/stɪˈfeɪniə/[2]
Named after
Princess Stéphanie [3]
(Belgian royalty)
A881 KA · 1925 VE
1931 FP · 1932 UA
1943 WB · 1946 MA
1950 TT4 · 1961 WB
main-belt · (inner) [4]
background [5]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc86.28 yr (31,514 days)
Aphelion2.9543 AU
Perihelion1.7443 AU
2.3493 AU
Eccentricity0.2575
3.60 yr (1,315 days)
239.16°
0° 16m 25.32s / day
Inclination7.5895°
257.92°
78.480°
Physical characteristics
Dimensions31.04 km (derived)[4]
31.12±1.5 km[6]
31.738±0.219 km[7]
31.96±9.77 km[8]
32.29±0.33 km[9]
33±2 km[10]
35.097±0.260 km[11]
38.46±5.77 km[12]
18.19 h[a]
18.198 h[13]
18.2±0.2 h[10]
18.21 h[b]
0.03±0.01[12]
0.05±0.03[8]
0.0571±0.0068[11]
0.0607 (derived)[4]
0.069±0.002[9]
0.069±0.016[7]
0.0726±0.007[6]
0.075±0.015[10]
Tholen = XC [1][4]
C [14] · P [11]
11.00[6][9][11] · 11.10[8] · 11.2[1][4] · 11.35[12]

220 Stephania is a dark background asteroid from the inner regions of the asteroid belt, approximately 32 km (20 mi) in diameter. It was discovered on 19 May 1881, by Austrian astronomer Johann Palisa at the Vienna Observatory.[15] The C-type asteroid has a rotation period of 18.2 hours.[4] It was named after Princess Stéphanie of Belgium.[3]

  1. ^ a b c d Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ "Stephanian". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
  3. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
  4. ^ a b c d e f Cite error: The named reference lcdb was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Ferret was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference SIMPS was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference Masiero-2014 was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference Nugent-2015 was invoked but never defined (see the help page).
  9. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  10. ^ a b c Cite error: The named reference Durech-2017a was invoked but never defined (see the help page).
  11. ^ a b c d Cite error: The named reference WISE was invoked but never defined (see the help page).
  12. ^ a b c Cite error: The named reference Nugent-2016 was invoked but never defined (see the help page).
  13. ^ Cite error: The named reference Mohamed-1994b was invoked but never defined (see the help page).
  14. ^ Cite error: The named reference Fornasier-2011a was invoked but never defined (see the help page).
  15. ^ Cite error: The named reference MPC-object was invoked but never defined (see the help page).


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