SatEvo decay list #85

Alan Pickup (alan@wingar.demon.co.uk)
Sat, 2 Oct 1999 20:28:04 +0100

SatEvo decay list #85  (issued 1999 October 2)

This list of my satellite decay (re-entry) predictions and analyses is
posted to the satellite observers mailing list, SeeSat-L, and to the
Usenet newsgroup sci.astro.satellites.visual-observe.
Information about SeeSat-L is available at
   http://www.satellite.eu.org/seesat/seesatindex.html

In most cases, the "Actual?" decay dates are my estimates based on the
published orbital element sets ("elsets") over the object's final days.
Objects are included in the "Predicted" column if I anticipate their
decay by 1999 November 15, although some larger and/or more interesting
decayers are included beyond that date.

This and other recent decay lists are available on the WWW via my SatEvo
page at
               http://www.wingar.demon.co.uk/satevo/
Linked from this page are files containing recent elsets for all the
Iridium satellites, all the objects in this decay list, plus elsets for
other selected objects including Mir, ISS, the Shuttle, and all newly
launched and/or catalogued objects. I also maintain a large file,
satbase.tle, containing recent elsets for more than 8,000 satellites.
This is available in zipped form from the same address.

I publish my own and SpaceCom's updated predictions for the larger 
decayers during their final days on my Decay Watch page at
               http://www.wingar.demon.co.uk/satevo/dkwatch/
This includes my predicted elsets for these objects.

   #    Designation    Name              ----- Decay (1999) -----
                                            Predicted   Actual?

 15030   84- 55 D   Cosmos 1569 Molniya r2        September  8?   Note 2
 25817   89-101 P   Cosmos 2054 Proton deb        September 10?
 24491   94- 29 UQ  STEP-2 Pegasus deb            September 14
 10339   77- 65 DN  Himawari 1 Delta deb          September 15
 24983   94- 29 ACR STEP-2 Pegasus deb            September 17
 25447   94- 29 AEC STEP-2 Pegasus deb            September 17
 25712   89-100 BH  C 2053 Tsyklon deb            September 17    Note 1
 22878   93- 68 B   GPS 2-23 Delta r1             September 18.07
 24121   94- 29 FU  STEP-2 Pegasus deb            September 21
 18461   86- 19 SZ  Spot 1 Ariane 1 deb           September 23
 25903   99- 48 B   Foton 12 Soyuz r              September 25.12
 25926   99- 53 C   LMI-1 Proton platform         September 27.52
 25925   99- 53 B   LMI-1 Proton r                September 28.51
 25920   99- 51 B   Ikonos Orb Adj Module         September 28.82
 25930   99- 54 B   Resurs F-1M Soyuz r           September 30.11
 24445   94- 29 TB  STEP-2 Pegasus deb            September 30    Note 1
 25915   99- 48 C   Foton 12 deb                  September 30
 22288   92- 93 C   C 2227 Zenit deb                October  1    Note 1
 25762   99-010 F   Raduag 104 aux motor            October  1?   Note 1
 25918   99- 48 F   Foton 12 deb           October  3
  9815   76-126 AB  Cosmos 886 deb         October  4
 15076   84- 63 E   Raduga 15 aux motor    October  4
 24260   94- 29 MK  STEP-2 Pegasus deb     October  4
 25717   89-100 BN  C 2053 Tsyklon deb     October  8
 25228   87- 68 BF  Meteor 2-16 deb        October 11
 25916   99- 48 D   Foton 12 deb           October 11
 24168   94- 29 HT  STEP-2 Pegasus deb     October 15
 25507   98- 60 C   SCD-2 Pegasus deb      October 17
 25680   99- 19 E   Glblstar 19 Soyuz r1   October 18
 24235   94- 29 LJ  STEP-2 Pegasus deb     October 19
 25500   98- 25 F   C 2350 aux motor       October 21
 21379   75- 52 CZ  Nimbus 6 Delta 1 deb   October 23
 25917   99- 48 E   Foton 12 deb           October 25
 25921   99- 51 C   Ikonos Athena deb      October 26
  5093   70- 91 AQ  Cosmos 375 deb         October 27
 24744   97- 10 A   Zeya                   October 30
 25550   98- 69 B   SAC-A                  October 30
 24349   94- 29 PA  STEP-2 Pegasus deb     October 31
 24993   94- 29 ADA STEP-2 Pegasus deb     October 31
 23563   91- 47 E   PAM-D deb             November  2
 24632   94- 29 AAL STEP-2 Pegasus deb    November  2
 13738   82-118 C   DMSP F6 deb           November  4
 12134   81-  2 B   Molniya 3-14 r2       November  5?
 24832   97- 28 E   C 2344 SOZ ullage r   November  8
 24590   94- 29 YS  STEP-2 Pegasus deb    November 11
 25494   98- 56 D   Eutelsat W2 Spelda    November 11
  5533   71- 15 BX  Cosmos 397 deb        November 12
 24972   97- 57 B   IRS-1D r              November 12
 24586   94- 29 YN  STEP-2 Pegasus deb    November 13
 23995   94- 29 AQ  STEP-2 Pegasus deb    November 15
  4222   69- 97 B   AZUR Scout r          November 25
 22016   92- 39 C   GPS 2-14 Delta r2     December  4
 24291   96- 50 A   Microsat              December  4
 19377   88- 69 A   Molniya 1-73          December
 25551   98- 69 C   MightySat             December
                                           (2000)
  1844   65-106 B   Cosmos 100 r           January
 22564   93- 15 B   UFO 1 r1               January
 22702   93- 42 C   GPS 2-21 Delta r2      January
 25014   97- 63 B   STEP M4 Pegasus r      January
 25790   99- 34 B   QuikScat Titan 2 r     January
 25176   98- 11 B   COMETS H2 r           February
  7969   75- 56 B   Cosmos 744 r          March-April
  9854   77- 15 B   Cosmos 895 r          March-April
 25911   99- 49 E   Glblstar 33 Soyuz r   March-April
 25769   99- 30 B   Starshine             April-May
 22876   93- 67 B   Cosmos 2265 r           May-July
 16609   86- 17 A   Mir                     May-July


Notes

1. SpaceCom has yet to confirm this decay.

2. The perigee of #15030, the Cosmos 1569 Molniya r2, stood at 89 km 
at the time of the final published elset for this on August 29. 
Luni-solar perturbations should have been forcing this down by almost 
2 km per day, so it could not have survived much longer. My decay date 
of September 8 is little more than a guess. SpaceCom puts decay at 
September 28.

Alan
-- 
 Alan Pickup | COSPAR 2707:  55d53m48.7s N  3d11m51.2s W   156m asl
 Edinburgh   | Tel: +44 (0)131 477 9144     Fax: +44 (0)870 0520750
 Scotland    | SatEvo page:   http://www.wingar.demon.co.uk/satevo/