Re: Gorizont 23 = 91- 46 A still accelerating ?

From: Kurt Jonckheere (kjon@mail.dma.be)
Date: Sat Feb 26 2000 - 14:11:08 PST

  • Next message: Richard & Kirsten Fredrick: "Re: Question for the group"

    hello,
    
    this evening (Feb 26) from my light polluted appartment in Ghent, 
    I first tried Gorizont 23 with 7x35 binoculars, with no luck, 
    so I decided to take the telescope and found that around 19h20m 
    it was flashing to only mag +7.5 or so.  Fainter than usual.
    
    Michel Jacquesson reported me in a private mail :
    <visible all the night long. The flashes were easily visible with binocs
    <7x50, but very short, as usual. Mag was about 4.
    <    I made 2 series of measurements : one in the evening (about 21:30
    UT)
    <and another today morning (2:30 UT)  [see below]
    
    After reading about his much more brighter observation, I decided 
    to try binoculars again (from 21h20m UT) and yes indeed, now it 
    was easily visible around magnitude +5.5.
    
    So, right now, Gorizont 23 is brightened slowly from dusk till 
    midnight and maybe longer.
    
    Around 20h I also tried, Raduga 27, Gorizont 14 and Superbird but 
    nothing seen (fainter than + 11 or so).
    
    I got a Gorizont 23 period of 51.197 s, so the period is changing 
    very slowly and we need more obs in the next days to see if 
    it is still going down !
    
    
    
    > Gorizont 23 = 91- 46 A = 21533 = slowly drifting
    > geostationary sat is visible over Europe again
    > 91- 46 A 00-01-15 08:22     SDL 4418.1 0.2  86 51.373
    > 91- 46 A 00-01-19 07:00     SDL 3594.5 0.2  70 51.35
    > 91- 46 A 00-02-25           PDV             60 51.18
      91- 46 A 00-02-25           MJ  2610.6 0.02 51 51.19   2 series of obs
      91- 46 A 00-02-26           KJ                 51.197 +-0.002
    > [Don Gardner, Stephen D LaLumondiere, Mike McCants,
    > Patrick De Vreese, Michel Jacquesson, Kurt Jonckheere]
    > have fun!,
    > 
    > Kurt Jonckheere (kjon@mail.dma.be),
      3 degr, 44 min E, 51 degr, 2 min N
    > observations collector for the Belgian Working Group
    > Satellites.
    
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