1212 Francette

Francette

Discovery
Discovered by	Boyer, L.
Discovery site	Algiers
Discovery date	3 December 1931
Designations
MPC designation	1212
Alternative names	1931 XC
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	83.97 yr (30671 days)
Aphelion	4.7122374 AU (704.94068 Gm)
Perihelion	3.1964284 AU (478.17888 Gm)
Semi-major axis	3.954333 AU (591.5598 Gm)
Eccentricity	0.1916643
Orbital period	7.86 yr (2872.2 d)
Mean anomaly	232.82876°
Mean motion	0° 7^m 31.229^s / day
Inclination	7.590881°
Longitude of ascending node	149.58677°
Argument of perihelion	348.18660°
Earth MOID	2.20918 AU (330.489 Gm)
Jupiter MOID	0.343937 AU (51.4522 Gm)
Jupiter Tisserand parameter	3.012
Physical characteristics
Dimensions	82 km[1]
Mean radius	41.065±1.6 km
Rotation period	16 h (0.67 d)
Sidereal rotation period	16 h[1]
Geometric albedo	0.0400±0.003[1]
Spectral type	P[1]
Absolute magnitude (H)	9.54[1]

1212 Francette (1931 XC) is a dark 82 km outer main-belt asteroid discovered on December 3, 1931, by Boyer, L. at Algiers, named after Francette, his mother.^[1]

References

1. "JPL Small-Body Database Browser: 1212 Francette". Jet Propulsion Laboratory. Retrieved 30 April 2016.

External links

• 1212 Francette at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters