375 Ursula

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375 Ursula
Discovery A
Discoverer Auguste Charlois
Discovery date September 18, 1893
Alternate
designations
B
1893 AL
Category Main belt
Orbital elements C
Epoch 30 January 2005 (JD 2453400.5)
Eccentricity (e) 0.107
Semi-major axis (a) 467.42 Gm (3.125 AU)
Perihelion (q) 417.247 Gm (2.789 AU)
Aphelion (Q) 517.593 Gm (3.46 AU)
Orbital period (P) 2017.268 d (5.52 a)
Mean orbital speed 16.85 km/s
Inclination (i) 15.931°
Longitude of the
ascending node
(Ω)
336.686°
Argument of
perihelion
(ω)
344.757°
Mean anomaly (M) 85.323°
Physical characteristics D
Dimensions 216 km[1]
Mass unknown
Density unknown
Surface gravity unknown
Escape velocity unknown
Rotation period 16.83 hr[1]
Spectral class unknown
Absolute magnitude 7.47[1]
Albedo (geometric) unknown
Mean surface
temperature
unknown
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375 Ursula is one of the largest Main belt asteroids.

It was discovered by Auguste Charlois on September 18, 1893 in Nice.

[edit] References

  1. ^ a b c JPL Small-Body Database Browser: 375 Ursula (1893 AL). Retrieved on 2008-05-22.

[edit] External links