Denis,
Running skymap I show 13367, Landsat 4, as passing head on with Ir 25. They would have
been at closest proximity, about one degree from each other, going in opposite directions at
22:00:08 Moscow time. Used the following elsets which are a few days old:
Landsat 4
1 13367U 82072A 01257.19220313 .00003464 00000-0 33966-3 0 9374
2 13367 98.2599 322.2956 0010955 42.8346 317.3722 14.92915760 19740
Iridium 25
1 24904U 97043B 01257.21504859 .00000029 00000-0 34445-5 0 6376
2 24904 86.4015 140.4899 0002108 60.5740 299.5669 14.34216925212955
Clear and Dark Skies-----------------------------------------------------------------------
Jim Nix | Raleigh Springs #8936 35.2131N 89.9354W, 90m,-5.0 GMT
| Lim Mag 6.0, Partly cloudy
---------------------------------------------------------------------------------------------
"Denis V. Denissenko" wrote:
> Hello list,
>
> Was waiting for -8 mag flare from Iridium 25 when another satellite of
> about 3rd magnitude appeared which was moving in opposite direction.
> There was almost head-on encounter shortly before the peak of flare,
> that is aroung 22:00:00 MSK (UT+0400). The flare itself occured as
> predicted by Iridflar and H-A at 22:00:40. After checking out
> heavens-above predictions for all satellites brighter than 4.5 the only
> similar match to the other object was Cosmos 2219 Rocket (3.4 mag), but
> it should have passed between Anromeda and Perseus at 22:03-22:04, i.e.
> 4 minutes later. Could it be possible that H-A elements for this rocket
> (ID 22220) are off, or was it another object? If yes, can somebody
> identify it?
>
> By the way, the encounter was accompanied by some plane which crossed
> the track of the first satellite. Unfortunately I didn't set up my
> camera and missed a great photo opportunity...
>
> Denis
>
> 55o45'N 37o37'E
>
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This archive was generated by hypermail 2b29 : Thu Sep 20 2001 - 17:55:53 EDT