HST
1 20580U 90037B 05308 53290520 00000508 00000-0 26936-4 0 4635 2 20580 28 4663 74 2152 0003509 315 3990 44 6315 14 99881146651336 ISS
1 25544U 98067A 05308 85067256 00021626 00000-0 14887-3 0 6877 2 25544 51 6440 259 9988 0001980 107 5762 295 1293 15 74572912397821 CHANDRA
1 25867U 99040B 05308 00000000 00000000 00000-0 00000+0 0 8512 2 25867 58 0544 100 8887 5695309 296 0606 359 5968 0 37796731 1216

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