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Geminids Result(2002)

In 2002, the clear activity of Geminids came from Solar Longitude(λo) 260°. After that, the main peak was around λo=262°. Although activity levels around λo=262° was temporarily weak, this is caused by zenithal effect. The estimated peak was around λo=262°.2 as annual peak with visual observations.

Activity Level (using worldwide data)

Geminids

Observed Peaks

Time(UT) Solar Long. Activity Level
Dec.14th 12h 262°.305 3.06 ± 0.56

Estimated Compornents of Geminid activity

Trail-No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
GEM02C01 Dec.14 10h00m 262°.193 3.0 -30.0/+10.0

Parameter

  • Radiant : α = 112°.0, δ = +32°.0
  • Radian Elevation : 20° < h < 70°
  • Using data within ± 0.75 σ in all observed data.

Reference

  • Structure of meteor activity is estimated by "Lorentz profile".
  • Observed data provided by RMOJ and RMOB