473 Nolli

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473 Nolli
Discovery A
Discoverer Max Wolf
Discovery date February 13, 1901
Alternate
designations B		 1901 GC; 1940 CD;
1940 CP; 1981 QR;
1986 PP4
Category Main belt (Eunomia family)
Orbital elements C
Epoch March 6, 2006 (JD 2453800.5)
Eccentricity (e) 0.106
Semi-major axis (a) 398.559 Gm (2.664 AU)
Perihelion (q) 356.427 Gm (2.383 AU)
Aphelion (Q) 440.692 Gm (2.946 AU)
Orbital period (P) 1588.361 d (4.35 a)
Mean orbital speed 18.20 km/s
Inclination (i) 12.910°
Longitude of the
ascending node (Ω)		 332.405°
Argument of
perihelion (ω)		 153.614°
Mean anomaly (M) 85.936°
Physical characteristics D
Dimensions unknown, likely 10–20 km
Mass unknown
Density unknown
Surface gravity unknown
Escape velocity unknown
Rotation period unknown
Spectral class unknown
Absolute magnitude 12.30
Albedo (geometric) unknown
Mean surface
temperature		 unknown
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473 Nolli is a medium-sized asteroid. It was discovered by Max Wolf on February 13, 1901, but unusually it remained lost for many decades, until it was recovered finally in 1987 [1], 86 years later. Almost nothing is known about its characteristics.

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