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315 Constantia

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315 Constantia
Shape model of Constantia from its lightcurve
Discovery
Discovered byJohann Palisa
Discovery date4 September 1891
Designations
(315) Constantia
Pronunciation/kənˈstænʃ(i)ə/[1]
Named after
constancy (virtue)
main-belt
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc87.27 yr (31874 d)
Aphelion2.61963 AU (391.891 Gm)
Perihelion1.86231 AU (278.598 Gm)
2.24097 AU (335.244 Gm)
Eccentricity0.16897
3.35 yr (1225.3 d)
19.9 km/s
86.6748°
0° 17m 37.673s / day
Inclination2.42916°
161.661°
172.807°
Physical characteristics
Dimensions5 - 12 km
5.345 h (0.2227 d)
12.5

315 Constantia is a stony background asteroid from the inner region of the asteroid belt,[3] approximately 6.5 kilometers (4 miles) in diameter.[2] It was discovered by Austrian astronomer Johann Palisa at the Vienna Observatory on 4 September 1891. The asteroid is a member of the Flora family. It is spinning with a rotation period of 5.345±0.003 h and shows a brightness variation of 0.57±0.2 in magnitude.[3]

References

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  1. ^ "Constantia". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
  2. ^ a b "315 Constantia". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
  3. ^ a b Cikota, S.; et al. (February 2014), "A photometric search for active Main Belt asteroids", Astronomy & Astrophysics, 562: 8, arXiv:1401.5527, Bibcode:2014A&A...562A..94C, doi:10.1051/0004-6361/201321679, A94.
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