More close-calls
ROB MATSON (ROBERT.D.MATSON@cpmx.saic.com)
18 Sep 1997 17:52:14 -0800
Here are several more predicted close approaches between satellites
in the coming days:
Cosmos 858 & Iridium 18: 0.3 km
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Target satellite: #09443
Name: Cosmos 858
Perigee: 776.67 km Apogee: 795.87 km
Date UTC Time Norad Name Range (km) NdAng EphAge
9/22/1997 7:58:59.19 24871 Iridium 18 0.3 151.3 +4.21
Cosmos 2334 & Cosmos 1275 Deb K: 0.7 km
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Target satellite: #12655
Name: Cosmos 1275 Deb K
Perigee: 957.66 km Apogee: 1014.57 km
Date UTC Time Norad Name Range (km) NdAng EphAge
9/20/1997 6:51:14.72 24304 Cosmos 2334 0.7 99.2 +2.18
DMSP 5D-2 S-14 & Meteor 1-25 R/B: 1.0 km
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Target satellite: #08846
Name: Meteor 1-25 R/B
Perigee: 840.87 km Apogee: 894.13 km
Date UTC Time Norad Name Range (km) NdAng EphAge
9/19/1997 16:37:05.65 24753 DMSP 5D-2 S-14 1.0 102.3 +1.54
Iridium 10 & Cosmos 1814 R/B: 1.1 km
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Target satellite: #17304
Name: Cosmos 1814 R/B
Perigee: 755.68 km Apogee: 798.71 km
Date UTC Time Norad Name Range (km) NdAng EphAge
9/22/1997 16:28:40.38 24838 Iridium 10 1.1 20.3 +4.51
TLEs used were latest available from OIG:
Meteor 1-25 R/B
1 08846U 76043B 97261.07501932 +.00000010 +00000-0 -14661-5 0 05146
2 08846 081.2471 112.5984 0036749 217.9901 141.8684 14.07629414096004
Cosmos 858
1 09443U 76098A 97261.05371302 +.00000051 +00000-0 +28616-4 0 05951
2 09443 074.0453 258.6584 0013400 084.7124 275.5548 14.31636344094562
Cosmos 1275 Deb K
1 12655U 81053K 97261.05517601 +.00000027 +00000-0 +12644-4 0 05284
2 12655 082.9569 092.5165 0038635 280.3836 079.2966 13.73758389809913
Cosmos 1814 R/B
1 17304U 87006B 97261.30681514 -.00000081 00000-0 -19411-4 0 6043
2 17304 74.0548 0.3130 0030069 199.3994 160.6021 14.34360857557794
Cosmos 2334
1 24304U 96052A 97261.10804942 +.00000244 +00000-0 +24809-3 0 01592
2 24304 082.9299 285.9127 0029554 307.9619 051.8817 13.72909588051758
DMSP 5D-2 S-14
1 24753U 97012A 97261.15222068 +.00000091 +00000-0 +72425-4 0 01829
2 24753 098.9225 305.1840 0009063 140.9872 219.1956 14.12999638023514
Iridium 10
1 24838U 97030C 97261.17353291 +.00000112 +00000-0 +32940-4 0 00997
2 24838 086.3971 123.7444 0001139 133.4352 226.6938 14.34215928013246
Iridium 18
1 24871U 97034C 97261.12592465 +.00000035 +00000-0 +53001-5 0 00896
2 24871 086.4063 155.3478 0004091 050.9715 309.1851 14.34216869010209