Decay watch update: Christmas Eve

Alan Pickup (alan@wingar.demon.co.uk)
Thu, 24 Dec 1998 18:11:14 +0000

OIG/USSPACECOM gave given us a Christmas bonus in the form of additional
decay notices since yesterday's update. The current summary is:

Object                            Notice issued    Predicted decay
                                       UTC              UTC
#23539 = Brazilsat B2 Spelda      Dec 24 15:25     Dec 28 17:23 +-2d     
#25120 = Orbcomm 9 Pegasus r      Dec 24 14:08     Dec 27 12:34 +-2d
#25421 = Orbcomm 13 Pegasus r     Dec 24 09:27     Jan  4 06:41 +-7d
#25572 = MCO Delta 2 r1           Dec 23 11:58     Dec 30 05:42 +-4d

My own updated predictions for these, plus some other objects, are:

   #    Designation    Name               Predicted decay

 25120   97- 84 J   Orbcomm 9 Pegasus r   December 28.3 +-0.7d
 23539   95- 16 D   Brazilsat B2 Spelda   December 29.2 +-1.4d
 25572   98- 73 B   MCO Delta 2 r1        December 30.7 +-1.2d
 25421   98- 46 J   Orbcomm 13 Pegasus r   January  6   +-2d
  4583   70- 85 A   Meteor 1-6             January  7   +-3d
 25532   98- 66 F   Iridium 2 Delta r      January  8   +-3d
 25533   98- 62 C   Sputnik 41             January  8   +-3d
 21148   91- 17 B   Lacrosse 2 r           January 10   +-3d
 25579   98- 74 C   Iridium 11A CZ-2C r    January 18   +-5d

Current elsets for all these are in my select.tle and dklist.tle files,
available via my WWW page below.

Merry Christmas everyone :)

Alan
-- 
 Alan Pickup | COSPAR 2707:   55d53m48.7s N   3d11m51.2s W   156m asl
 Edinburgh   | Home:   alan@wingar.demon.co.uk    +44 (0)131 477 9144
 Scotland    | SatEvo page:     http://www.wingar.demon.co.uk/satevo/