1280 Baillauda

Baillauda
Discovery
Discovered by	Delporte, E.
Discovery site	Uccle
Discovery date	18 August 1933
Designations
MPC designation	1280
Alternative names	1933 QB
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	82.40 yr (30097 days)
Aphelion	3.5865338 AU (536.53782 Gm)
Perihelion	3.2434798 AU (485.21767 Gm)
Semi-major axis	3.415007 AU (510.8778 Gm)
Eccentricity	0.0502274
Orbital period	6.31 yr (2305.1 d)
Mean anomaly	358.91598°
Mean motion	0° 9^m 22.237^s / day
Inclination	6.458531°
Longitude of ascending node	293.07354°
Argument of perihelion	99.30932°
Earth MOID	2.25667 AU (337.593 Gm)
Jupiter MOID	1.71351 AU (256.337 Gm)
Jupiter Tisserand parameter	3.132
Physical characteristics
Mean radius	7001254150000000000♠25.415±1 km
Rotation period	12.6 h (0.53 d)
Geometric albedo	6998505000000000000♠0.0505±0.004
Absolute magnitude (H)	10.33

1280 Baillauda (1933 QB) is an outer main-belt asteroid discovered on August 18, 1933, by Delporte, E. at Uccle.

(1280) Baillauda has a diameter of 50.83 km and turns on itself in 12.6 hours.

Its name is not a direct reference to the famous astronomer Benjamin Baillaud, but refers to his son Jules Baillaud, himself an astronomer, who led the observatory of the Pic du Midi de Bigorre from 1937 to 1947.

References

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1279 Uganda 1280 Baillauda 1281 Jeanne

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