1212 Francette

1212 Francette
Discovery[1]
Discovered byL. Boyer
Discovery siteAlgiers Obs.
Discovery date3 December 1931
Designations
(1212) Francette
Named after
Francette Boyer[2]
(discoverer's wife)
1931 XC · 1949 HB1
1949 HZ · 1965 JB
A918 KA
main-belt · (outer)[1]
Hilda[3][4]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc85.98 yr (31,406 days)
Aphelion4.7109 AU
Perihelion3.1972 AU
3.9541 AU
Eccentricity0.1914
7.86 yr (2,872 days)
282.89°
0° 7m 31.44s / day
Inclination7.5898°
149.58°
348.23°
Jupiter MOID0.3433 AU
Physical characteristics
Dimensions76.395±0.155 km[5]
82.13±3.2 km[6]
85.81±2.18 km[7]
16 h (poor)[8]
22.433±0.007 h[9][a]
0.037±0.002[7]
0.0400±0.003[6]
0.040±0.007[10]
0.046±0.007[5]
Tholen = P[1] · P[10]
SMASS = X[1][3]
B–V = 0.693[1]
U–B = 0.215[1]
9.54[1][3][6][7] · 9.62±0.23[11]

1212 Francette (provisional designation 1931 XC) is a dark Hildian asteroid from the outermost regions of the asteroid belt, approximately 82 kilometers in diameter. It was discovered on 3 December 1931, by French astronomer Louis Boyer at the Algiers Observatory in Algeria, North Africa, who named it after his wife Francette Boyer.[2][12]

  1. ^ a b c d e f g h Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference lcdb was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Ferret was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference Grav-2012a was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference SIMPS was invoked but never defined (see the help page).
  7. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Taylor-1976 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Warner-2017a was invoked but never defined (see the help page).
  10. ^ a b Cite error: The named reference WISE was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  12. ^ Cite error: The named reference MPC-object was invoked but never defined (see the help page).


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