HST
1 20580U 90037B 05166 66070790 00000870 00000-0 55701-4 0 3594 2 20580 28 4682 278 7297 0003779 251 4137 108 6042 14 99749702630011 ISS
1 25544U 98067A 05167 09691111 00021014 00000-0 15555-3 0 6974 2 25544 51 6461 266 4951 0004033 262 0331 162 2728 15 72883602375516 CHANDRA
1 25867U 99040B 05165 16666667 00000000 00000-0 00000+0 0 7976 2 25867 57 1088 103 5913 5642811 299 1912 353 3896 0 37793925 1217

These 2-Line Elements (TLEs) are from US Space Command courtesy TS Kelso's Celestial BBS Updates will normally be provided three times a week, or daily during Space Shuttle missions

   David Bate for David Cottle