Stopwatch Observations of Satellites, September 1968
1968
15 pages
Report
No indication
English
Optical Detection , Astronomical coordinates , Optical tracking , Satellite tracking , Ablestar launch vehicle , Agena b rocket vehicle , Agena d rocket vehicle , Cosmos satellites , Elektron satellites , Explorer 19 satellite , Explorer 39 satellite , Midas 5 satellite , Nimbus 1 satellite , Observatories , Pageos satellite , Samos
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