315 Constantia

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315 Constantia
Discovery A
Discoverer Johann Palisa
Discovery date September 4, 1891
Alternate
designations
B
none
Category Main belt (Flora family)
Orbital elements C
Epoch 30 January 2005 (JD 2453400.5)
Eccentricity (e) 0.168
Semi-major axis (a) 335.29 Gm (2.241 AU)
Perihelion (q) 278.998 Gm (1.865 AU)
Aphelion (Q) 391.583 Gm (2.618 AU)
Orbital period (P) 1225.558 d (3.36 a)
Mean orbital speed 19.9 km/s
Inclination (i) 2.426°
Longitude of the
ascending node
(Ω)
161.765°
Argument of
perihelion
(ω)
172.823°
Mean anomaly (M) 293.063°
Physical characteristics D
Dimensions 5 - 12 km
Mass unknown
Density unknown
Surface gravity unknown
Escape velocity unknown
Rotation period unknown
Spectral class unknown
Absolute magnitude 13.2
Albedo (geometric) unknown
Mean surface
temperature
unknown
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315 Constantia is a small asteroid belonging to the Flora family in the Main Belt.

It was discovered by Johann Palisa on September 4, 1891 in Vienna.