Discoverer 21

Summary

Discoverer 21 is a reconnaissance satellite^[1].

Key Facts

• Discoverer 21's instance of is recorded as reconnaissance satellite^[2].
• Discoverer 21's COSPAR ID is recorded as 1961-006A^[3].
• Discoverer 21's space launch vehicle is recorded as Thor-Agena B^[4].
• Discoverer 21's SCN is recorded as 00084^[5].
• Discoverer 21's UTC date of spacecraft launch is recorded as +1961-02-18T00:00:00Z^[6].
• Discoverer 21's Freebase ID is recorded as /m/0ch34ml^[7].
• Discoverer 21's significant event is recorded as rocket launch^[8].
• Discoverer 21's start point is recorded as Vandenberg Space Launch Complex 1^[9].
• Discoverer 21's Wolfram Language entity code is recorded as Entity["Satellite", "00084"]^[10].