Vanguard 1
fourth artificial Earth orbital satellite
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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 (3,363 views/month).[2]
Key Facts
- Vanguard 1's instance of is recorded as technology demonstration spacecraft[3].
- Vanguard 1's instance of is recorded as derelict satellite[4].
- Vanguard 1's instance of is recorded as artificial satellite of the Earth[5].
- Vanguard 1's manufacturer is recorded as United States Naval Research Laboratory[6].
- Vanguard 1 is part of Vanguard[7].
- Vanguard 1's Commons category is recorded as Vanguard I[8].
- Vanguard 1's space launch vehicle is recorded as Vanguard[9].
- Vanguard 1's parent astronomical body is recorded as Earth[10].
- Vanguard 1's powered by is recorded as Bell Solar Battery[11].
- Vanguard 1's type of orbit is recorded as medium Earth orbit[12].
- Vanguard 1's UTC date of spacecraft launch is recorded as March 17, 1958[13].
- Vanguard 1's service retirement is recorded as May 1964[14].
- Vanguard 1's significant event is recorded as rocket launch[15].
- Vanguard 1's significant event is recorded as loss of signal[16].
- Vanguard 1's orbital eccentricity is recorded as {'amount': '+0.1844061'}[17].
- Vanguard 1's described by source is recorded as Retro Space HD[18].
- Vanguard 1's start point is recorded as Cape Canaveral Launch Complex 18[19].
- Vanguard 1's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+34.2'}[20].
- Vanguard 1's duration is recorded as {'unit': 'Q573', 'amount': '+2200'}[21].
- Vanguard 1's mass is recorded as {'unit': 'Q11570', 'amount': '+1.46'}[22].
- Vanguard 1's orbital period is recorded as {'unit': 'Q7727', 'amount': '+132.8'}[23].
- Vanguard 1's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+181.84'}[24].
- Vanguard 1's semi-major axis of an orbit is recorded as {'unit': 'Q828224', 'amount': '+8620'}[25].
- Vanguard 1's apoapsis is recorded as {'unit': 'Q828224', 'amount': '+3839.9'}[26].
- Vanguard 1's periapsis is recorded as {'unit': 'Q828224', 'amount': '+658.9'}[27].
Why It Matters
Vanguard 1 ranks in the top 2% of technology_demonstration_spacecraft entities by monthly Wikipedia readership (3,363 views/month).[2] It has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[28] It is known by 22 alternative names across languages and contexts.[29]