SatEvo Decay List #61


SatEvo decay list #61 (issued 1998 September 5)

This list of my satellite decay (re-entry) predictions and analyses is posted to the SeeSat-L mailing list and to the Usenet newsgroup sci.astro.satellites.visual-observe.

The "Actual?" decay dates are my estimates based on the published orbital element sets ("elsets") over the object's final days. Note that, although this list is being issued on September 5, no fresh elsets have been released by NASA's Orbital Information Group since September 3. Objects are included in the "Predicted" column if I anticipate their decay by October 15, although some larger and/or more interesting decayers are included beyond that date.

Elevated solar activity in recent weeks has increased the atmospheric density at satellite heights and damaged the life-expectancy of many objects.

   #    Designation    Name               ----- Decay (1998) -----
                                            Predicted   Actual?

 24104   94- 29 FB  STEP-2 Pegasus deb               August 21
 24987   94- 29 ACV STEP-2 Pegasus deb               August 23
 25438   98- 48 H   Iridium 3 CSL02 deb              August 24.2
 25437   98- 48 G   Iridium 3 CSL02 deb              August 24.4
 25436   98- 48 F   Iridium 3 CSL02 deb              August 24.5
 25435   98- 48 E   Iridium 3 CSL02 deb              August 24.7
 19952   89- 16 K   M-3S2 deb                        August 25.4
 24489   94- 29 UN  STEP-2 Pegasus deb               August 26
 25174   98- 10 F   Iridium 50 Delta r               August 26.91
 25322   98- 26 D   Iridium 69 CZ-2C S/D             August 27.34
 24186   94- 29 JM  STEP-2 Pegasus deb               August 28
 25302   86- 17 MS  Mir deb                          August 28.5
 24006   94- 29 BB  STEP-2 Pegasus deb               August 29
 24398   94- 29 RB  STEP-2 Pegasus deb               August 30
 25464   98- 50 C   Astra 2A Proton plat             August 30.81
 25463   98- 50 B   Astra 2A Proton r             September  1.14
 10202   77- 65 AF  Himawari Delta 1 deb          September  1
 24059   94- 29 DG  STEP-2 Pegasus deb            September  1
 14596   83-126 D   C 1518 Molniya r2             September  2.37
 24125   94- 29 FY  STEP-2 Pegasus deb            September  2
 10794   78- 39 C   YURI Delta 1 r2      September  4.8
 23970   94- 29 Q   STEP-2 Pegasus deb   September  5
 22524   93- 10 G   M-3S2 aux motor      September  5
 18879   88- 12 C   CS 3A H-1 r2         September  6
 24425   94- 29 SD  STEP-2 Pegasus deb   September  6
 14041   83- 38 E   Cosmos 1456 r        September  8
 22541   92- 93 HB  C 2227 Zenit deb     September  9
 24255   94- 29 ME  STEP-2 Pegasus deb   September  9
  5400   71- 67 M   OV1-20/OV1-21 deb    September 13
 25357   94- 29 ADM STEP-2 Pegasus deb   September 13
 24587   94- 29 YP  STEP-2 Pegasus deb   September 15
  4894   69- 82 HD  Thorad Agena D deb   September 16
 22821   93- 11 G   M-3S2 deb            September 16
 24535   94- 29 WK  STEP-2 Pegasus deb   September 16
 25439   86- 17 MV  Mir deb              September 17
 24171   94- 29 HW  STEP-2 Pegasus deb   September 18
 24561   94- 29 XM  STEP-2 Pegasus deb   September 19
 24935   81- 59 H   NOAA 7 deb           September 19
 25433   98- 48 C   Iridium 3 CSL02 r    September 20
   156   61- 15 AS  Thor Ablestar deb    September 21
 24915   81- 59 G   NOAA 7 deb           September 21
 23065   89- 89 BL  COBE deb             September 23
 25020   97- 65 B   DSCS-3 Centaur r     September 23
 25434   98- 48 D   Iridium 3 CSL02 S/D  September 24
 24830   97- 28 D   Cos 2344 ullage r    September 27
 22539   92- 93 GZ  Cosmos 2223 deb      September 28
 24250   94- 29 LZ  STEP-2 Pegasus deb   September 30
 24379   94- 29 QG  STEP-2 Pegasus deb   September 30
 24784   95-  8 K   Cosmos 2306 deb        October  1
 17342   86- 19 DP  SPOT 1 Ariane 1 deb    October  7
 20957   90-102 E   Gorizont 33 aux mot    October  7
 24456   95- 71 C   Cosmos 2326 deb        October  7
 22920   90- 37 C   HST array              October  9
 22683   89- 89 E   COBE deb               October 10
 24533   94- 29 WH  STEP-2 Pegasus deb     October 10
 24691   94- 29 AAZ STEP-2 Pegasus deb     October 10
 24232   94- 29 LF  STEP-2 Pegasus deb     October 11
 23202   94- 49 D   BzlSt B1 Ariane deb    October 14
 23771   95- 11 J   SFU deb                October 14
 24396   94- 29 QZ  STEP-2 Pegasus deb     October 15
 11240   79-  4 A   Molniya 3-11          November
 20546   90- 28 A   Pegsat                November
 25100   97- 58 D   Inspektor             November
  8368   75-100 C   GEOS 1 Delta 1 r2     December

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Reach the author via email at alan@wingar.demon.co.uk


Last Updated: 1998 September 5