357 Ninina

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)
Average orbital speed	16.78 km/s
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°
Earth MOID	1.96776 AU (294.373 Gm)
Jupiter MOID	1.98254 AU (296.584 Gm)
Jupiter Tisserand parameter	3.149
Physical characteristics
Dimensions	7005106100000000000♠106.10±2.2 km
Mass	unknown
Mean density	unknown
Equatorial surface gravity	unknown
Equatorial escape velocity	unknown
Rotation period	36.0105 h (1.50044 d)
Geometric albedo	6998509999999999999♠0.0510±0.002
Temperature	unknown
Spectral type	unknown
Absolute magnitude (H)	8.72

357 Ninina is a large main-belt asteroid.^[1] It was discovered by Auguste Charlois on February 11, 1893, in Nice.

References

Minor planets navigator
356 Liguria 357 Ninina 358 Apollonia

Designation Groups List Moon Meanings of names
Asteroid	Aten asteroid Asteroid belt Family Jupiter trojan Near-Earth Spectral types
Distant minor planet	Centaur Damocloid Neptune trojan Trans-Neptunian object Detached Kuiper belt Oort cloud Scattered disc

Other

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