Acceleration report 5 Feb 1997

Kurt Jonckheere (kjonckheere@unicall.be)
Wed, 5 Feb 1997 21:59:28 +0100

The following objects are accelerating and should be observed REGULARLY ! :
87- 49 B 18096/C1 Kosmos 1850r
87- 60 A 18187/Cosmos 1867     
88- 53 B 19257/C1 Kosmos 1954r
91-  7 B 21090/C1 Kosmos 2123r
92-  8 B 21876/C1 Kosmos 2180 rocket  (updated)
93- 36 B 22676/C1 Kosmos 2251 : MMjump, accelerating ?  (added)
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Observers are Kurt Jonckheere, Leo Barhorst, Walter
Nissen, Vince Gardiner, Ron Lee,

object   date     time (UT)  obs               Period remarks
87- 49 B 97-01-07 09:40      VAG 108.2 1.0   5 21.6   AA mag4->inv
87- 49 B 97-01-14 17:12:56   LB  164.0 0.5  10 16.40  AA, mag 4->inv
87- 49 B 97-01-27 04:41:16   LB   74.6 0.5   6 12.4   AA, mag 5->inv
Who makes the next observation of this object ?

87- 60 A 96-08-23 20:28:36.2 BJG 132.0 0.5  18  7.33  Multiple max,multiple min
87- 60 A 96-09-19 18:44      LB                       S, mag 4
87- 60 A 96-10-13 08:50:26.0 VAG  13.6 1.0   1 13.6   AaA mag4->5.5
87- 60 A 96-11-15 05:07:55   LB   65.3 0.5  10  6.5   AA, mag 4->inv
87- 60 A 97-01-07 09:48      VAG  95.7 1.0  15  6.4   FF mag3->4
87- 60 A 97-01-31 04:46:37   LB   59.8 0.2  10  5.98  AA, mag 5->inv
This Cosmos payload started flashing about a year ago, and its period
is still going down.  Sometimes it is Steady.  Does somebody has more 
information about the state of this payload ?

88- 53 B 97-01-07 10:01      VAG 154.6 1.0   4 38.7   AA mag4->inv
88- 53 B 97-01-08 17:25:53   LB   70.5 0.5   2 35.3   MM, mag 5->inv
88- 53 B 97-01-27 04:53:27   LB  116.4 0.5   4 29.1   AA, mag 5->inv
88- 53 B 97-01-31 04:20:53   LB  119.5 0.5   4 29.9   AA, 4->inv, ssm, 5
acceleration halted?

91-  7 B 97-01-16 19:36:59   LB   72.2 0.5   2 36.1   AA, mag 5->inv
91-  7 B 97-01-17 04:41:28   LB  206.7 0.5   6 34.4   AA, mag 5->inv
91-  7 B 97-01-27 17:27      KJ  159.5 1.0   8 19.9
91-  7 B 97-01-30 01:17      RGL 198.1 1    10 19.81    
Still accelerating !

92-  8 B 97-01-25 20:16:27   LB  126.4 0.2  22  5.75  FF, mag 4->inv
92-  8 B 97-01-27 17:42      KJ  244.9 0.3  44  5.57
92-  8 B 97-01-27 19:26:23.1 KJ  121.4 0.3  22  5.52  syn effect
92-  8 B 97-01-27 19:28:20.0 KJ  122.1 0.3  22  5.55  syn effect
92-  8 B 97-01-29  1:13:16.3 WN   65.6 0.5  12  5.46  FF, C* 2180 r
92-  8 B 97-01-30 01:40.8    RGL 264.6 1    50  5.29
92-  8 B 97-02-02 03:03      RGL 248.6 1.0  50  4.97       
*92-  8 B 97-02-03 01:45.7    RGL 312.5 1.0  64  4.88
*92-  8 B 97-02-04 02:14.6    RGL 335.5 1.0  70  4.79
*92-  8 B 97-02-05 18:19:37.7 KJ  185.9 0.2  40  4.65  FF
*92-  8 B 97-02-05 18:22:21.3 KJ  186.8 0.2  40  4.67  FF, syn eff
Continues to go down linearly with about 0.09 seconds a day.  
How long will it continue to do so ?


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You can use the following elements (courtesy OIG) :

18096
1 18096U 87049B   97035.91068906 +.00000043 +00000-0 +24897-4 0 05864
2 18096 074.0383 174.0846 0022822 008.1116 352.0398 14.33209170505082
18187
1 18187U 87060A   97035.80103623 -.00000096 +00000-0 +17042-5 0 04830
2 18187 065.0043 150.6981 0020509 270.0277 089.8457 14.30117231499990
19257
1 19257U 88053B   97035.91431567 +.00000011 +00000-0 +13136-4 0 04786
2 19257 074.0469 176.4334 0020772 111.4558 248.8812 14.33811145451236
21090
1 21090U 91007B   97036.00869470 +.00001332 +00000-0 +13663-2 0 00939
2 21090 082.9211 012.9207 0022062 300.2277 059.6678 13.75528945301218
21876
1 21876U 92008B   97036.08254305 +.00000447 +00000-0 +45477-3 0 08096
2 21876 082.9254 241.0662 0033798 262.0767 097.6552 13.74549178249184
22676
1 22676U 93036B   97036.14251996 +.00001178 +00000-0 +45663-3 0 06320
2 22676 074.0381 076.7792 0019841 145.3444 214.8998 14.30997168190227

Thanks to all observers.

All observations are very much appreciated.

Happy observing !

Kurt J
-------------------------------------------------------------------------
       Kurt Jonckheere (kjonckheere@unicall.be)  51.2 N  2.9 E   
    observations collector for the Belgian Working Group Satellites: 
Send your observations of flashing satellites, preferrably in the correct
     PPAS format to ppas@cds.plasma.mpe-garching.mpg.de
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