Lacrosse 3 and rocket

Leo Barhorst (leobarhorst@wxs.nl)
Sun, 08 Feb 1998 20:36:19 +0100

Walter Nissen wrote:

> Those lamenting the lengthening of the periods of the bright Zenit-2 
> rockets, still seeking easy targets, might look in on Lac 3 r.  It has a 
> moderate period, making it hard to see for a few seconds, and is fairly 
> bright for a few seconds.  Measurements of the period would be welcomed 
> for the PPAS database and would allow you to follow the evolution of the 
> period as eddy currents damp the rotational inertia.  Lac 3 herself is 
> steadier, but may show some variation.  What do you see? 

In the last weeks I,ve seen both Lacrosse 3 and its rocket.
The sat is definately orange color and the rocket is a nice flasher.

97- 64 A 98-01-26 04:52:59.1 LB                       S,4,orange,near
Eps Herc
97- 64 A 98-02-01 04:58      LB                       S, mag 4, orange
97- 64 B 98-01-01 17:25:53   LB  125.3 0.5   7 17.9   AA, mag 3->inv
97- 64 B 98-02-01 05:59:20   LB  113.2 0.2  10 11.32  FF, mag 3->7

More obs are needed to determine if the rocket is really accelerating,
or if the last obs is in fact half periods and the rockets period is
decresing normally?


-- 
Greetings and clear skies
Leo Barhorst      Alkmaar    The Netherlands
52.65 N   4.767 E     3 m a.s.l.