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Table 2 Atmospheric trajectory and radiant data for the fireball discussed in the text (J2000)

From: Robotic systems for the determination of the composition of solar system materials by means of fireball spectroscopy

Fireball Hb He αg δg V Vg Vh
  (km) (km) (°) (°) (km s−1) (km s−1) (km s−1)
SPMN151211 Geminid 94.2 ± 0.5 67.5 ± 0.5 115.8 ± 0.2 31.5 ± 0.2 36.9 ± 0.3 35.1 ± 0.3 33.5 ± 0.3
SPMN101212 N. χ-Orionid 95.1 ± 0.5 71.2 ± 0.5 81.1 ± 0.3 21.1 ± 0.2 26.6 ± 0.3 24.5 ± 0.3 37.9 ± 0.3
SPMN270712 α-Capricornid 99.7 ± 0.5 79.1 ± 0.5 300.7 ± 0.2 −9.9 ± 0.1 24.0 ± 0.3 21.5 ± 0.3 37.5 ± 0.3
  1. αg and δg denote the equatorial coordinates of the geocentric radiant. Hb, beginning height; He, ending height; V, the initial (preatmospheric) velocity of the meteoroid; Vg, the geocentric velocity of the meteoroid; Vh, heliocentric velocity of the meteoroid.