Vanguard 1

Summary

Vanguard 1 is a technology demonstration spacecraft^[1]. It ranks in the top 2% of technology_demonstration_spacecraft entities by monthly Wikipedia readership (428 views/month).^[2]

Key Facts

• Vanguard 1's video is recorded as 1958-03-17 3rd Vanguard Successful.webm^[3].
• Vanguard 1's image is recorded as Vanguard 1.jpg^[4].
• Vanguard 1's instance of is recorded as technology demonstration spacecraft^[5].
• Vanguard 1's instance of is recorded as derelict satellite^[6].
• Vanguard 1's instance of is recorded as artificial satellite of the Earth^[7].
• Vanguard 1's manufacturer is recorded as United States Naval Research Laboratory^[8].
• Vanguard 1's COSPAR ID is recorded as 1958-002B^[9].
• Vanguard 1's part of is recorded as Vanguard^[10].
• Vanguard 1's Commons category is recorded as Vanguard I^[11].
• Vanguard 1's space launch vehicle is recorded as Vanguard^[12].
• Vanguard 1's SCN is recorded as 00005^[13].
• Vanguard 1's parent astronomical body is recorded as Earth^[14].
• Vanguard 1's powered by is recorded as Bell Solar Battery^[15].
• Vanguard 1's type of orbit is recorded as medium Earth orbit^[16].
• Vanguard 1's UTC date of spacecraft launch is recorded as +1958-03-17T00:00:00Z^[17].
• Vanguard 1's Freebase ID is recorded as /m/0l2d_^[18].
• Vanguard 1's service retirement is recorded as +1964-05-00T00:00:00Z^[19].
• Vanguard 1's significant event is recorded as rocket launch^[20].
• Vanguard 1's significant event is recorded as loss of signal^[21].
• Vanguard 1's orbital eccentricity is recorded as {'amount': '+0.1844061'}^[22].
• Vanguard 1's described by source is recorded as Retro Space HD^[23].
• Vanguard 1's start point is recorded as Cape Canaveral Launch Complex 18^[24].
• Vanguard 1's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+34.2'}^[25].
• Vanguard 1's duration is recorded as {'unit': 'Q573', 'amount': '+2200'}^[26].
• Vanguard 1's mass is recorded as {'unit': 'Q11570', 'amount': '+1.46'}^[27].

Why It Matters

Vanguard 1 ranks in the top 2% of technology_demonstration_spacecraft entities by monthly Wikipedia readership (428 views/month).^[2] It has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.^[28] It is known by 11 alternative names across languages and contexts.^[29]