CZ19741204 (Sumava)


 
 
CHARACTERISTICS
BEST ORBIT (J2000.0)
Semimajor axis: 1.90 +- 0.04 AU 
Eccentricity: 0.755 +- 0.006 
Inclination: 2.17 +- 0.06 deg. 
Longitude of the ascending node: 252.651 +- 0.003 deg. 
Argument of perihelion: 283.0 +- 0.2 deg. 
Apparition time: 1974 12 04 17:58:20 UT

Image of the orbit

 
BEST TRAJECTORY IN THE ATMOSPHERE
Beginning height: 99 km
End height: 55 km

Apparent Radiant 

  • Inclination over the horizon:  27 deg.


    • Speed: 26.9 +-0.2 km/s 
    Absolute Visual magnitude: -21.5 +- 1 
    PHYSICAL PARAMETERS
    Mass: 5E+4 kg
    Size: 7.1 m
    Classification: IIIB (weak cometary)

    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. 
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    Last update: 13/10/2000