357 Ninina

Ninina (minor planet designation: 357 Ninina) is a large main-belt asteroid.[1] It was discovered by Auguste Charlois on February 11, 1893, in Nice. The reference of its name is not known, though Ninine is a French personal name.

357 Ninina

Discovery
Discovered by	Auguste Charlois
Discovery date	11 February 1893
Designations
MPC designation	(357) Ninina
Alternative designations	1893 J
Minor planet category	Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	108.56 yr (39650 d)
Aphelion	3.38973 AU (507.096 Gm)
Perihelion	2.92272 AU (437.233 Gm)
Semi-major axis	3.15623 AU (472.165 Gm)
Eccentricity	0.073982
Orbital period	5.61 yr (2048.1 d)
Mean anomaly	144.322°
Mean motion	0° 10^m 32.783^s / day
Inclination	15.0642°
Longitude of ascending node	137.809°
Argument of perihelion	254.250°
Physical characteristics
Dimensions	106.10±2.2 km
Rotation period	36.0105 h (1.50044 d)
Geometric albedo	0.0510±0.002
Absolute magnitude (H)	8.72

References

1. "357 Ninina (1893 J)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.

External links

• 357 Ninina at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 357 Ninina at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters