CZ19910507 (Benesov)



 
 
CHARACTERISTICS
BEST ORBIT (J2000.0)
Semimajor axis: 2.456 +- 0.005 AU 
Eccentricity: 0.6235 +- 0.0008 
Inclination: 23.86 +- 0.02 deg. 
Longitude of the ascending node: 47.0010 +- 0.0001 deg. 
Argument of perihelion: 218.54 +-0.03 deg. 
Apparition time: 1991 05 07 23:03:58 UT

Image of the orbit


 
BEST TRAJECTORY IN THE ATMOSPHERE
Beginning Height: 98 km
End Height: 16 km

Apparent Radiant 

  • Inclination over the horizon: 80 deg.

  • Speed: 21.181 +- 0.012 km/s 
    Absolute Visual magnitude: -19.5 +- 1 

    PHYSICAL PARAMETERS
    Mass: 7.5E+3 to 1.3E+4 kg 
    Size: 1.9 m
    Classification: II (carbonaceous chondrite)

     
     
    REFERENCES
  • Borovicka J. and Spurny P.: Radiation Study of Two Very Bright Terrestrial Bolides and an Application to the Comet S-L9 Collision with Jupiter. Icarus121, (1996), 484-510.
  • Ceplecha Z.: Impacts of meteoroids larger than 1 m into Earth's atmosphere. Astronomy and Astrophysics 286, (1994), 967-970. 
  • Last update: October 7, 2000