PPAS obs, plus other things

From: Ed Cannon (ecannon@mail.utexas.edu)
Date: Sat Jun 04 2005 - 03:53:04 EDT

  • Next message: Alberto Rango: "4641 Satobs from 31 May to 03 Jun 2005"

    First, here are some PPAS (plus) observations:
    
    12908, Fleetsatcom 1 Centaur Rk
    78- 16 C 05-05-23 02:45:40   EC  296.8 0.3  32  9.28  +2.0->i
    78- 16 C 05-05-26 02:22:08   EC  353.3 0.5  19 18.60  +3.0->i
    
    28096, NOSS 3-2 Rk
    03- 54 B 05-05-25 03:15:17   EC   76.0 1.0   2 38.0   
    Timings: 14.06, 23.94, 38.00
    
    17369, Cosmos 1818
    87- 11 A 05-05-25 04:06:29   EC  125.9 2.0  11 11.4   
    87- 11 A 05-05-26 03:35:57   EC  183.1 1.5  16 11.4   +3.0->i
    
    28476, GPS 56 Rk2 (PAM) ----- lots of uncertainty here! -----
    04- 45 C 05-05-25 05:32:13   EC  100.2 5.0   2 50     ?
    or maybe
    04- 45 C 05-05-25 05:32:13   EC  100.2 5.0   8 12.5   ?
    Timings: 14.83, 13.54, 12.88, 9.83, 13.29, 10.43, 15.90, 9.49
    However, on another hand
    04- 45 C 05-06-01 02:29:50   EC   49.4 2.0   6  8.2   
    Timings: 8.00, 16.34, 9.03, 7.04, 9.00
    
    00694, Atlas Centaur 2
    63- 47 A 05-05-26 04:03:40   EC  348.2 9.9   5 70     +3.0->i
    
    28237, MDS 1 Fairing 1
    02- 03 D 05-05-28 04:04:58   EC  409.2 0.3  50  8.18  
    
    28243, MDS 1 Fairing 2
    02- 03 E 05-06-01 02:57:58   EC  190.6 0.2  25  7.62  +4.5->i
    
    28643, DART Pegasus Rk
    05- 14 B 05-05-31 03:23:37   EC   68.4 2.0   4 17.1  
    Timings: 9.52, 7.43, 8.12, 9.38, 16.62, 17.32
    
    24836, Iridium 914
    97- 30 A 05-05-31 04:23:21   EC  112.9 0.1   9 12.55  
    Timings: 12.49, 12.60, 12.48, 12.52, 12.54, 12.54, 
    12.56, 12.57, 12.63, 1.34 (double flash at end)
    
    28651, Cartosat 1 PSLV Rk
    05- 17 C 05-05-31 04:33:04   EC   47.4 0.3  18  2.63  +6.0->i
    
    27819, Cosmos 2398 Rk
    03- 23 B 05-06-01 03:41:06   EC   42.2 1.0   2 21.1   
    
    27430, Hai Yang 1 (a very bright pass in the NNW)
    02- 24 A 05-06-02 04:42:56   EC  136.9 1.0   9 15.2   -2.0->i
    Timings: 
    3.72, 7.06, 4.10, 
    3.53, 7.70, 4.31, 
    3.99, 7.01, 4.17, 
    3.59, 7.50, 4.09, 
    3.86, 6.15*, 5.19, (* probable early click by mistake)
    3.98, 11.35, 
    3.65, 6.83**, 4.75, (** possibly one of the -2 flashes)
    3.55, 11.70, 
    3.94, 7.28, 3.88
    
    PPAS format: http://www.satobs.org/tumble/flashpm.html#PPASformat
    
    Other things.  
    
    An Iridflar predicted zero magnitude flare of Iridium 80
    (98-051C, 25469) on June 2 UTC did not happen.  (It was not 
    penumbral, which can make a big difference.)
    
    Grace 1 and 2 (02-12A and B, 27392 and 27392) flared to +1
    magnitude together low in the northwest at about 3:37 or 3:38 
    on June 2 UTC -- very impressive!  Much of this pass was 
    quite bright.
    
    ROCSAT 1 (99-002A, 25616) flared to +1 magnitude at about
    2:18:06 June 1 UTC, when it was in the southeast.
    
    I believe all of the above were observed from BCRC,
    30.315N, 97.866W, 280m.
    
    Brad Young wrote further that the flashing object he saw was 
    visible without binoculars, about +4.0, and appeared to be 
    stationary in azimuth relative to the stars.  
    
    Ed Cannon - ecannon@mail.utexas.edu - Austin, Texas, USA
    
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