The following objects are accelerating and should be observed regularly ! : 87- 49 B 18096/C1 Kosmos 1850r 87- 60 A 18187/Cosmos 1867 (added) 88- 53 B 19257/C1 Kosmos 1954r 91- 7 B 21090/C1 Kosmos 2123r 92- 8 B 21876/C1 Kosmos 2180 rocket ************************************ Observers are Kurt Jonckheere, Willy Verhaegen, Leo Barhorst, Walter Nissen, Vince Gardiner, Ron Lee, Mike McCants, Tristan Cools, Bjoern Gimle date time (UT) obs Period remarks 87- 49 B 96-11-15 04:46:07 LB 125.3 0.5 6 20.9 AA, mag 4->inv 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 87- 60 A 96-06-09 23:15 TC 47.1 1 6 7.8 very sa, dtm,mag max+2.5 87- 60 A 96-06-14 22:22 KJ 77.6 0.5 10 7.8 later S 87- 60 A 96-06-15 21:53 TC 58.9 0.5 8 7.4 sa, mag +4, u 87- 60 A 96-08-18 21:15 TC 102.2 0.4 14 7.30 AA, mag +4 87- 60 A 96-08-19 03:50 MM 74.1 1.0 5 14.9 4.5-inv, sm 87- 60 A 96-08-20 03:19 MM 103.1 1.0 7 14.7 3.5-inv, sm 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 96-09-11 08:43:10.0 VAG 84.3 1.0 4 21.1 mag4->inv 88- 53 B 96-11-21 18:43 WV S? clouds 88- 53 B 96-11-23 17:37 WV LP +5/+7 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 97-01-14 05:08:33 LB 145.7 0.5 4 36.4 AA, mag 4->inv 91- 7 B 97-01-14 18:44:39 LB 332.7 0.5 10 33.27 AA, mag 4->6 91- 7 B 97-01-15 17:24:10 LB 133.4 0.5 4 33.4 AA, mag 6->inv 91- 7 B 97-01-16 04:12:48 LB 139.5 0.5 4 34.9 AA, mag 5->inv 91- 7 B 97-01-16 06:01:24 LB 172.5 0.5 5 34.5 AA, mag 4->inv 91- 7 B 97-01-16 17:52:02 LB 130.1 0.5 4 32.5 AA, mag 4->inv 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 96-11-06 18:10 KJ 155.4 1.5 8 19.4 FF, 4->inv, later MM 92- 8 B 96-11-06 18:11 WV 159.4 0.5 8 19.9 92- 8 B 96-11-15 17:04 KJ 179.0 0.4 14 12.79 92- 8 B 96-11-15 17:04 WV 127.9 0.3 10 12.79 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 Still accelerating ! Also the Mean Motion is still changing. ------- You can use the following elements (courtesy Ted Molczan and OIG) : Cosmos 1850 r 7.4 2.4 0.0 5.5 v 1 18096U 87049 B 97 29.90776989 .00000000 00000-0 78733-7 0 5782 2 18096 74.0385 185.0496 0022815 20.5094 339.6968 14.33208283504225 Cosmos 1867 6.0 2.0 0.0 5.3 v 1 18187U 87060 A 97 30.13676816 .00000006 00000-0 22166-5 0 4671 2 18187 65.0046 166.5258 0020342 270.9587 88.9178 14.30117363499181 Cosmos 1954 r 7.4 2.4 0.0 5.5 v 1 19257U 88053 B 97 29.91389882 .00000072 00000-0 25643-4 0 4676 2 19257 74.0472 187.4000 0020920 124.2875 236.0259 14.33810954450376 21090 1 21090U 91007B 97032.44441093 .00001544 00000-0 15863-2 0 876 2 21090 82.9224 15.5734 0022426 311.3595 48.5640 13.75521036300721 21876 1 21876U 92008B 97031.13267080 +.00000487 +00000-0 +49685-3 0 08023 2 21876 082.9253 244.7381 0034207 276.8955 082.8310 13.74545242248500 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 -------------------------------------------------------------------------