Astronomischer Arbeitskreis Salzkammergut

Sternwarte Gahberg

N 47°54'48" / O 13°36'33" / 860m

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EN060402 "Ga-Pa" Fireball

Apr 6, 2002, T = 20h20m17.7 s ± 0.3s *

Atmospheric trajectory data

  

Beginning

Max. light

Terminal

Velocity (km/s)

20.94 ± 0.06

12.7

3.1 ± 0.9 **

Height (km)

84.84 ± 0.15

21.6

16.00 ± 0.09

Longitude (° E)

11.5554 ± 0.0014

10.91

13.8251 ± 0.0009

Latitude (° N)

47.305 ± 0.003

47.51

47.5285 ± 0.0016

Dynamic mass (kg)

600.

100.

15.

Absolute magnitude

-

-18.

-

Slope (° )

42.71 ± 0.02

-

42.12 ± 0.02

Total length (km)/Duration (s)

90.6 / 5.2

Ablation coefficient (s2km-2)

0.018 ± 0.002 (NF solution, e l = 107m)

PE coefficient / Fireball type

-/I

EN stations No.

45 Streitheim, 87 Gernsbach, 11 Primda, 85 Tuifstaedt,

68 Losaurach, 43 Oehringen

Radiant data (J2000.0)

 

Observed

Geocentric

Heliocentric

Right ascension (° )

190.56 ± 0.13

192.29 ± 0.14

-

Declination (° )

21.89 ± 0.20

19.43 ± 0.22

-

Ecliptical longitude (° )

-

-

131.18 ± 0.09

Ecliptical latitude (° )

-

-

10.37 ± 0.09

Initial velocity (km/s)

20.94 ± 0.06

17.50 ± 0.07

37.45 ± 0.06

Orbital data (J2000.0) ***

a (AU)

2.40 ± 0.03

ω (° )

241.3 ± 0.3

e

0.669 ± 0.004

Ω (° )

16.82666 ± 0.00001

q (AU)

0.7926 ± 0.0014

i (° )

11.35 ± 0.10

Q (AU)

4.00 ± 0.06

Shower

-

Note

* time of the terminal flare at 21.6 km from radiometers at Ondrejov and Kunzak
** not directly measured, derived from the single-body model
*** orbit very similar to the orbit of the Pribram bolide

Dr. Pavel Spurny, Astronomical Institute

Fricova 298, 251 65 Ondrejov Observatory, Czech Republic

Siehe auch unser Bericht der vorläufigen Auswertung.



Rechenzeit: 0,0156s