Explorer 51

Summary

Explorer 51 is an Earth observation satellite^[1]. It draws 9 Wikipedia views per month (earth_observation_satellite category, ranking #40 of 214).^[2]

Key Facts

• Explorer 51's image is recorded as Explorer-51 AE-C.jpg^[3].
• Explorer 51's instance of is recorded as Earth observation satellite^[4].
• Explorer 51's COSPAR ID is recorded as 1973-101A^[5].
• Explorer 51's Commons category is recorded as Explorer-51 (AE-C)^[6].
• Explorer 51's space launch vehicle is recorded as Delta 1000^[7].
• Explorer 51's SCN is recorded as 06977^[8].
• Explorer 51's UTC date of spacecraft launch is recorded as +1973-12-16T00:00:00Z^[9].
• Explorer 51's significant event is recorded as rocket launch^[10].
• Explorer 51's start point is recorded as Vandenberg Space Launch Complex 2^[11].
• Explorer 51's Google Knowledge Graph ID is recorded as /g/1218rvcb^[12].
• Explorer 51's NSSDCA ID is recorded as 1973-101A^[13].

Why It Matters

Explorer 51 draws 9 Wikipedia views per month (earth_observation_satellite category, ranking #40 of 214).^[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.^[14]