Explorer 3

Summary

Explorer 3 is a research satellite^[1]. It draws 61 Wikipedia views per month (research_satellite category, ranking #6 of 47).^[2]

Key Facts

• Explorer 3's image is recorded as Explorer 3 Flight Recorder.jpg^[3].
• Explorer 3's instance of is recorded as research satellite^[4].
• Explorer 3's instance of is recorded as military satellite^[5].
• Explorer 3's instance of is recorded as former entity^[6].
• Explorer 3's operator is recorded as Army Ballistic Missile Agency^[7].
• Explorer 3's operator is recorded as Jet Propulsion Laboratory^[8].
• Explorer 3's COSPAR ID is recorded as 1958-003A^[9].
• Explorer 3's Commons category is recorded as Explorer 3^[10].
• Explorer 3's space launch vehicle is recorded as Juno I^[11].
• Explorer 3's SCN is recorded as 00006^[12].
• Explorer 3's parent astronomical body is recorded as Earth^[13].
• Explorer 3's country of origin is recorded as United States^[14].
• Explorer 3's UTC date of spacecraft launch is recorded as +1958-03-26T00:00:00Z^[15].
• Explorer 3's time of object orbit decay is recorded as +1958-06-28T00:00:00Z^[16].
• Explorer 3's Freebase ID is recorded as /m/03kc0p^[17].
• Explorer 3's significant event is recorded as rocket launch^[18].
• Explorer 3's significant event is recorded as loss of signal^[19].
• Explorer 3's significant event is recorded as atmospheric entry^[20].
• Explorer 3's orbital eccentricity is recorded as {'amount': '+0.165894'}^[21].
• Explorer 3's start point is recorded as Cape Canaveral Launch Complex 5^[22].
• Explorer 3's length is recorded as {'unit': 'Q11573', 'amount': '+2.03'}^[23].
• Explorer 3's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+33.38'}^[24].
• Explorer 3's mass is recorded as {'unit': 'Q11570', 'amount': '+14.06'}^[25].
• Explorer 3's orbital period is recorded as {'unit': 'Q7727', 'amount': '+115.7'}^[26].
• Explorer 3's semi-major axis of an orbit is recorded as {'unit': 'Q828224', 'amount': '+7870.7'}^[27].

Why It Matters

Explorer 3 draws 61 Wikipedia views per month (research_satellite category, ranking #6 of 47).^[2] It has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.^[28]