RE: Lacrosse 5 has manoeuvred

From: Ted Molczan (molczan@rogers.com)
Date: Wed May 04 2005 - 02:01:15 EDT

  • Next message: Fco. Javier Iruretagoyena: "Looking for Lacrosse 5"

    The latest tranche:
    
    28646 05 016A   2701 G 20050504050305000 17 25 0217468+651672 18 S
    28646 05 016A   2701 G 20050504050358810 17 25 0019046+620733 18 S
    28646 05 016A   2701 G 20050504050406420 17 25 0005762+611099 87 S
    28646 05 016A   2701 G 20050504050638560 17 25 2155254+360872 18 S
    28646 05 016A   2701 G 20050504050700900 17 25 2148304+324823 27 S
    
    IOD format: http://www.satobs.org/position/IODformat.html
    
    Site 2701: 43.68764 N, 79.39243 W, 230 m
    
    To revise the orbital elements, I adjusted all elements except decay:
    
    Lacrosse 5       0.0  0.0  0.0  3.4 v
    1 28646U 05016A   05124.19195344  .00000042  00000-0  10000-4 0    00
    2 28646  57.0128 116.6957 0008627 168.3339 191.7876 14.53331379    00
    Arc 2005 May 04.08 - 04.21, WRMS residuals = 0.026 deg
    
    The present orbit intersected with the parking orbit (shown below) on 2005 May
    04, at 00:32:08 UTC, 712 km above 10.5 S, 74.1 E, at which time, the spacecraft
    was 57 deg above the horizon of Diego Garcia. Additional smaller manoeuvres may
    be made in the coming days.
    
    Parking orbit
    1 28646U 05016A   05123.31646144  .00006596  00000-0  49713-3 0    04
    2 28646  57.0053 120.1365 0167432  20.4841 340.2799 14.91496301    00
    
    My two best passes are still to come; however, clouds have moved in. I will post
    any new observations once I an done observing for the night. I will issue a
    final orbit once all observers have reported.
    
    Ted Molczan
    
    
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