(21662) Benigni

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Asteroid
(21662) Benigni
Properties of the orbit ( animation )
Epoch:  4th November 2013 ( JD 2,456,600.5)
Orbit type Middle main belt asteroid
Asteroid family Eunomia family
Major semi-axis 2.5434  AU
eccentricity 0.1700
Perihelion - aphelion 2.1111 AU - 2.9756 AU
Inclination of the orbit plane 13.0283 °
Length of the ascending node 344.5433 °
Argument of the periapsis 355.8464 °
Sidereal period 4.06 a
Mean orbital velocity 18.67 km / s
Physical Properties
Absolute brightness 13.9 likes
history
Explorer Santa Lucia Stroncone Observatory
Date of discovery September 1, 1999
Another name 1999 RC , 1998 FB 119
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items.

(21662) Benigni is an asteroid of the central main belt , which was discovered on September 1, 1999 at the Santa Lucia Stroncone Observatory in Italy ( IAU code 589) near Terni in Umbria . Unconfirmed sightings of the asteroid had already occurred on January 7, 1998 (1998 FB 119 ) as part of the LONEOS project of the Lowell Observatory in Arizona .

The asteroid belongs to the Eunomia family, a group named after (15) Eunomia , to which probably five percent of the asteroids in the main belt belong. The timeless (non- osculating ) orbital elements of (21662) Benigni are almost identical to those of the smaller, assuming the absolute brightness of 15.1 compared to 13.9, asteroids (134706) 1999 XK 202 .

(21662) Benigni was named on January 7, 2004 after the Italian film actor and director Roberto Benigni . On May 23, 2005 an asteroid of the middle main belt was named after Benigni's wife Nicoletta Braschi : (31605) Braschi .

Web links

Individual evidence

  1. (21662) Benigni at the IAU Minor Planet Center (English)
  2. The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)