Cosmos 542 was launched from Plesetsk by U.S.S.R. into orbit with 640-km (397.7-mi) apogee, 527-km (327.5-mi) perigee, 81.2° inclination, 96.3-min period. (GSFC SSR, 12/31/72; SBD, 1/3/73, 2)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
