ALPHA 2   SPUTNIK  1                   2 USSR 04 OCT 57TYMSC03 JAN 58   96.1 65.0   945   227  
BETA 1    SPUTNIK  2                   3 USSR 03 NOV 57TYMSC14 APR 58  103.7 65.3  1660   212  
ALPHA 1   EXPLORER  1                  4  US  01 FEB 58AFETR31 MAR 70  107.2 33.2  1859   347  
BETA 2    VANGUARD 1                   5  US  17 MAR 58AFETREARTH ORB  133.2 34.2  3868   654  
GAMMA 1   EXPLORER  3                  6  US  26 MAR 58AFETR28 JUN 58  115.7 33.4  2799   186  
DELTA 2   SPUTNIK  3                   8 USSR 15 MAY 58TYMSC06 APR 60  106.0 65.2  1864   217  
EPSILON 1 EXPLORER  4                  9  US  26 JUL 58AFETR23 OCT 59  100.9 50.2  1352   257  
ZETA 1    SCORE                       10  US  18 DEC 58AFETR21 JAN 59  101.5 32.3  1484   185  
ETA 1     PIONEER  1                 110  US  11 OCT 58AFETR12 OCT 58                          
THETA 1   PIONEER  3                 111  US  06 DEC 58AFETR07 DEC 58                          
ALPHA 1   VANGUARD 2                  11  US  17 FEB 59AFETREARTH ORB  122.8 32.9  3049   557  
BETA 1    DISCOVERER  1               13  US  28 FEB 59AFWTR03 MAR 59   96.0 89.7   968   163  
GAMMA 1   DISCOVERER  2               14  US  13 APR 59AFWTR26 APR 59   90.4 89.9   346   239  
DELTA 1   EXPLORER  6 (S-2)           15  US  07 AUG 59AFETR30 JUN 61  765.0 47.0 42400   245  
EPSILON 1 DISCOVERER  5               18  US  13 AUG 59AFWTR28 SEP 59   94.1 79.9   731   214  
EPSILON 2 DISCOVERER  5 CAPSULE       26  US  13 AUG 59AFWTR11 FEB 61  104.3 78.9  1700   218  
ZETA 1    DISCOVERER  6               19  US  19 AUG 59AFWTR20 OCT 59   95.1 83.9   846   207  
ETA 1     VANGUARD 3                  20  US  18 SEP 59AFETREARTH ORB  126.4 33.4  3413   512  
THETA 1   LUNA  3                     21 USSR 04 OCT 59TYMSC20 APR 60                        D 
IOTA 1    EXPLORER  7                 22  US  13 OCT 59AFETREARTH ORB   98.6 50.3   857   523  
KAPPA 1   DISCOVERER  7               24  US  07 NOV 59AFWTR26 NOV 59   94.4 81.6   820   158  
LAMBDA 1  DISCOVERER  8               25  US  20 NOV 59AFWTR08 MAR 60  103.5 80.5  1661   186  
MU 1      LUNA  1                    112 USSR 02 JAN 59TYMSCSOLAR ORB                          
NU 1      PIONEER  4                 113  US  03 MAR 59AFETRSOLAR ORB                          
XI 1      LUNA  2                    114 USSR 12 SEP 59TYMSC13 SEP 59                        D 
ALPHA 1   PIONEER  5                  27  US  11 MAR 60AFETRSOLAR ORB                          
BETA 2    TIROS  1                    29  US  01 APR 60AFETREARTH ORB   98.3 48.4   696   656  
GAMMA 2   TRANSIT  1B                 31  US  13 APR 60AFETR05 OCT 67   94.6 51.2   644   363  
DELTA 1   DISCOVERER 11               32  US  15 APR 60AFWTR26 APR 60   92.2 80.4   603   166  
EPSILON 1 SPUTNIK  4                  34 USSR 15 MAY 60TYMSC05 SEP 62   92.5 65.0   514   284  
EPSILON 3 SPUTNIK  4 CABIN            36 USSR 15 MAY 60TYMSC15 OCT 65   91.7 65.2   460   257  
ZETA 1    MIDAS 2                     43  US  24 MAY 60AFETR07 FEB 74   94.3 33.0   494   473  
ETA 1     TRANSIT  2A                 45  US  22 JUN 60AFETREARTH ORB  100.8 66.7   988   604  
ETA 2     SOLRAD  1                   46  US  22 JUN 60AFETREARTH ORB  100.2 66.7   935   596  
THETA 1   DISCOVERER 13               48  US  10 AUG 60AFWTR14 NOV 60   94.0 82.8   683   258  
IOTA 1    ECHO 1                      49  US  12 AUG 60AFETR24 MAY 68  117.3 47.3  2157   966  
KAPPA 1   DISCOVERER 14               54  US  18 AUG 60AFWTR16 SEP 60   94.4 79.6   803   177  
LAMBDA 1  SPUTNIK  5                  55 USSR 19 AUG 60TYMSC20 AUG 60   90.7 64.6   340   281  
MU 1      DISCOVERER 15               57  US  13 SEP 60AFWTR18 OCT 60   94.1 80.9   755   200  
NU 1      COURIER 1B                  58  US  04 OCT 60AFETREARTH ORB  107.1 28.3  1214   967  
XI 1      EXPLORER  8                 60  US  03 NOV 60AFETREARTH ORB  102.2 49.9  1331   394  
OMICRON 1 DISCOVERER 17               61  US  12 NOV 60AFWTR29 DEC 60   96.4 81.7   984   190  
PI 1      TIROS  2                    63  US  23 NOV 60AFETREARTH ORB   96.3 48.5   610   547  
RHO 1     SPUTNIK  6                  65 USSR 01 DEC 60TYMSC02 DEC 60   88.4 65.0   269   123  
SIGMA 1   DISCOVERER 18               67  US  07 DEC 60AFWTR02 APR 61   92.0 81.5   510   233  
TAU 1     DISCOVERER 19               68  US  20 DEC 60AFWTR23 JAN 61   90.0 83.4   359   186  
