HST
1 20580U 90037B 05274 46352717 00000643 00000-0 37662-4 0 4386 2 20580 28 4693 296 2498 0003546 316 6054 43 4252 14 99853252646219 ISS
1 25544U 98067A 05275 19359954 00014021 00000-0 10227-3 0 4699 2 25544 51 6431 72 8463 0001720 95 7503 249 5389 15 73592762392518 CHANDRA
1 25867U 99040B 05273 62500000 00000000 00000-0 00000+0 0 8381 2 25867 57 6910 101 7873 5685498 296 4055 359 6904 0 37797388 1213

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