HST/Cosmos 389 r "dance"
Rob Matson (Rob_Matson@cpqm.mail.saic.com)
26 Jun 1996 15:38:17 -0800
Subject: Time: 15:16
OFFICE MEMO HST/Cosmos 389 r "dance" Date: 96/06/26
I'm continuing to play around with close approaches between satellites, and
noticed the following on-going "dance" between the Hubble Space Telescope and
Cosmos 389 R/B. At 6:44:30.0 PDT today (Wed 6/26/96) the two made their
closest *predicted* approach of only 1.3 km! I used the following TLEs for
these two:
Hubble Space Telescope (HST)
1 20580U 90037 B 96173.60393572 .00000273 00000-0 11806-4 0 8165
2 20580 28.4687 190.1615 0005997 218.2721 141.7438 14.91067041139248
Cosmos 389 Block E 3rd stage
1 04814U 70113 B 96173.27312728 .00000182 00000-0 14923-4 0 4200
2 04814 81.1844 241.2922 0060211 305.7742 53.7881 14.93109311376836
...which produced the following series of encounters:
Date Local Time Norad Name Range (km) EphAge
6/24/1996 16:57:06.1 4814 Cosmos 389 Block E 3rd st 199.7 +3.72
6/24/1996 18:33:35.7 4814 Cosmos 389 Block E 3rd st 185.5 +3.79
6/24/1996 20:10:05.3 4814 Cosmos 389 Block E 3rd st 171.4 +3.86
6/24/1996 21:46:34.9 4814 Cosmos 389 Block E 3rd st 157.4 +3.93
6/24/1996 23:23:04.5 4814 Cosmos 389 Block E 3rd st 143.5 +3.99
6/25/1996 0:59:34.1 4814 Cosmos 389 Block E 3rd st 129.7 +4.06
6/25/1996 2:36:03.7 4814 Cosmos 389 Block E 3rd st 115.9 +4.13
6/25/1996 4:12:33.2 4814 Cosmos 389 Block E 3rd st 102.3 +4.19
6/25/1996 5:49:02.8 4814 Cosmos 389 Block E 3rd st 88.8 +4.26
6/25/1996 6:37:08.4 4814 Cosmos 389 Block E 3rd st 196.6 +4.29
6/25/1996 7:25:32.3 4814 Cosmos 389 Block E 3rd st 75.3 +4.33
6/25/1996 8:13:37.9 4814 Cosmos 389 Block E 3rd st 182.9 +4.36
6/25/1996 9:02:01.8 4814 Cosmos 389 Block E 3rd st 61.9 +4.39
6/25/1996 9:50:07.4 4814 Cosmos 389 Block E 3rd st 169.2 +4.43
6/25/1996 10:38:31.3 4814 Cosmos 389 Block E 3rd st 48.7 +4.46
6/25/1996 11:26:36.9 4814 Cosmos 389 Block E 3rd st 155.6 +4.50
6/25/1996 12:15:00.8 4814 Cosmos 389 Block E 3rd st 35.5 +4.53
6/25/1996 13:03:06.4 4814 Cosmos 389 Block E 3rd st 142.2 +4.56
6/25/1996 13:51:30.3 4814 Cosmos 389 Block E 3rd st 22.5 +4.60
6/25/1996 14:39:35.9 4814 Cosmos 389 Block E 3rd st 128.8 +4.63
6/25/1996 15:27:59.8 4814 Cosmos 389 Block E 3rd st 9.8 +4.66
6/25/1996 16:16:05.3 4814 Cosmos 389 Block E 3rd st 115.5 +4.70
6/25/1996 17:04:29.2 4814 Cosmos 389 Block E 3rd st 4.9 +4.73
6/25/1996 17:52:34.8 4814 Cosmos 389 Block E 3rd st 102.2 +4.76
6/25/1996 18:40:58.7 4814 Cosmos 389 Block E 3rd st 16.8 +4.80
6/25/1996 19:29:04.2 4814 Cosmos 389 Block E 3rd st 89.1 +4.83
6/25/1996 20:17:28.1 4814 Cosmos 389 Block E 3rd st 29.4 +4.86
6/25/1996 21:05:33.7 4814 Cosmos 389 Block E 3rd st 76.1 +4.90
6/25/1996 21:53:57.6 4814 Cosmos 389 Block E 3rd st 42.0 +4.93
6/25/1996 22:42:03.1 4814 Cosmos 389 Block E 3rd st 63.1 +4.96
6/25/1996 23:30:27.0 4814 Cosmos 389 Block E 3rd st 54.5 +5.00
6/26/1996 0:18:32.5 4814 Cosmos 389 Block E 3rd st 50.3 +5.03
6/26/1996 1:06:56.4 4814 Cosmos 389 Block E 3rd st 67.0 +5.07
6/26/1996 1:55:01.9 4814 Cosmos 389 Block E 3rd st 37.5 +5.10
6/26/1996 2:43:25.8 4814 Cosmos 389 Block E 3rd st 79.3 +5.13
6/26/1996 3:31:31.3 4814 Cosmos 389 Block E 3rd st 24.9 +5.17
6/26/1996 4:19:55.2 4814 Cosmos 389 Block E 3rd st 91.6 +5.20
6/26/1996 5:08:00.7 4814 Cosmos 389 Block E 3rd st 12.3 +5.23
6/26/1996 5:56:24.6 4814 Cosmos 389 Block E 3rd st 103.7 +5.27
6/26/1996 6:44:30.0 4814 Cosmos 389 Block E 3rd st 1.3 +5.30
6/26/1996 7:32:54.0 4814 Cosmos 389 Block E 3rd st 115.8 +5.33
6/26/1996 8:20:59.4 4814 Cosmos 389 Block E 3rd st 12.7 +5.37
6/26/1996 9:09:23.3 4814 Cosmos 389 Block E 3rd st 127.8 +5.40
6/26/1996 9:57:28.7 4814 Cosmos 389 Block E 3rd st 24.9 +5.43
6/26/1996 10:45:52.7 4814 Cosmos 389 Block E 3rd st 139.7 +5.47
6/26/1996 11:33:58.1 4814 Cosmos 389 Block E 3rd st 37.1 +5.50
6/26/1996 12:22:22.0 4814 Cosmos 389 Block E 3rd st 151.5 +5.53
6/26/1996 13:10:27.4 4814 Cosmos 389 Block E 3rd st 49.2 +5.57
6/26/1996 13:58:51.3 4814 Cosmos 389 Block E 3rd st 163.2 +5.60
6/26/1996 14:46:56.7 4814 Cosmos 389 Block E 3rd st 61.2 +5.63
6/26/1996 15:35:20.7 4814 Cosmos 389 Block E 3rd st 174.8 +5.67
6/26/1996 16:23:26.0 4814 Cosmos 389 Block E 3rd st 73.2 +5.70
6/26/1996 17:11:50.0 4814 Cosmos 389 Block E 3rd st 186.3 +5.74
6/26/1996 17:59:55.3 4814 Cosmos 389 Block E 3rd st 85.0 +5.77
6/26/1996 18:48:19.3 4814 Cosmos 389 Block E 3rd st 197.7 +5.80
6/26/1996 19:36:24.6 4814 Cosmos 389 Block E 3rd st 96.7 +5.84
6/26/1996 21:12:53.9 4814 Cosmos 389 Block E 3rd st 108.4 +5.90
6/26/1996 22:49:23.2 4814 Cosmos 389 Block E 3rd st 119.9 +5.97
6/27/1996 0:25:52.4 4814 Cosmos 389 Block E 3rd st 131.3 +6.04
6/27/1996 2:02:21.7 4814 Cosmos 389 Block E 3rd st 142.7 +6.10
6/27/1996 3:38:50.9 4814 Cosmos 389 Block E 3rd st 153.9 +6.17
6/27/1996 5:15:20.1 4814 Cosmos 389 Block E 3rd st 165.1 +6.24
6/27/1996 6:51:49.4 4814 Cosmos 389 Block E 3rd st 176.1 +6.30
6/27/1996 8:28:18.6 4814 Cosmos 389 Block E 3rd st 187.1 +6.37
6/27/1996 10:04:47.8 4814 Cosmos 389 Block E 3rd st 198.0 +6.44
A bit close for comfort! --Rob