Iridium 5 companion?

Bjoern Gimle (bjorn@tt-tech.se)
Tue, 14 Oct 1997 11:31:02 +0100

Sean Sullivan (tssulliv@unix.amherst.edu) wrote:

>IRIDFLAR predicted a zero-magnitude flare of Iridium 5 at 4:57:45 EDT.
>Using my usual program, I made pre-flare predictions and spotted the 
>satellite at zenith and followed for about 90 sec before it became
>too faint.  Later, the flare was on schedule, low in the north.  

>As it started falling in magnitude, I went back to binoculars.  When they
>reached my eye, and I tried to find the slow-moving satellite in the
>starfield, I picked up two moving objects.

Using the day's elsets from Alan, it is found to be Iridium 37.
Iridium 37       3.0  0.0  0.0  6.0 d            721 x 714 km
1 24966U 97056B   97286.22527347 -.04411628  00000-0 -12141+1 0   468
2 24966  86.4594  81.7327 0005119  45.6559 314.3335 14.52453137  2417

The group is still climbing, with 14.44 < MM <15.04

At the time of writing (09:30 UT Oct.14) Alan has:
Iridium 19       3.0  0.0  0.0  6.0 d            622 x 612 km
1 24965U 97056A   97286.91368782 -.04257817  00000-0 -57904+0 0   439
2 24965  86.6700  81.5522 0006781 175.9208 184.2045 14.83983792  2529
Iridium 37       3.0  0.0  0.0  6.0 d            739 x 737 km
1 24966U 97056B   97286.91583245 -.03365827  00000-0 -10427+1 0   477
2 24966  86.4240  81.4109 0001991  96.5680 263.5736 14.46244761  2519
Iridium 36       3.0  0.0  0.0  6.0 d            565 x 546 km
1 24967U 97056C   97286.86026856 -.00025969  00000-0 -18977-2 0   312
2 24967  86.7001  81.5440 0013565 175.4375 184.6996 15.03817436  2526
Iridium 35       3.0  0.0  0.0  6.0 d            733 x 727 km
1 24968U 97056D   97287.17387557 -.04567513  00000-0 -13443+1 0   586
2 24968  86.4290  81.2804 0004593 175.8529 184.2241 14.48636597  2558
Iridium 34       3.0  0.0  0.0  6.0 d            746 x 743 km
1 24969U 97056E   97287.18700506 -.03508140  00000-0 -11338+1 0   470
2 24969  86.4155  81.2710 0002347  81.5733 278.5653 14.44376982  2559

-- 

---------------------------------------------------------------
-- bjorn@tt-tech.se (office)  b_gimle@algonet.se (home)      --
-- 59.2237N, 18.2286E, 44 m   http://www.algonet.se/~b_gimle --
-- SeeSat-L / Visual Satellite Observer Home Page found at   --
-- http://www.satellite.eu.org/satintro.html       --
---------------------------------------------------------------