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DOY 173 | 2024-06-21T05:02:20Z
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VANGUARD 1, 5

Orbit data source: Space-Track

VANGUARD 1, 5 is a payload satellite owned by NRL (US) that was launched on Mon, 17 Mar 1958 UTC via a Vanguard launch vehicle from the Air Force Eastern Test Range (AFETR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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VANGUARD 1 details
NORAD ID5
COSPAR ID
1958-002B
Orbit
Active
Last TLE update1 day ago
Origin
Flag of USNRL (US)
ManufacturerNRL
BusNRL 6"
MotorUnknown
Mass2 kg wet, 2 kg dry
Launch date (UTC)
1958-03-17 (66 years ago)
Launch vehicle
Vanguard
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Radar Cross Section0.11 m², Small (<0.1 m²)
Predictive object data (real-time)
Latitude-32.49027°
Longitude77.13016°
Altitude3,831.801 km
Speed5.646 km/s
Apparent Right ascension23h 46m 47s
Apparent Declination-44° 50' 29"
Sunlit
Object is in daylight
Predictive observer data (real-time)
Local Sidereal Time16:01:25
Azimuth118.077° SE
Elevation-43.929°
Doppler factor1
Orbital elements
Apogee3,828.514 km
Perigee654.023 km
Semi-major axis8,619.406 km
Eccentricity0.1841479
Inclination34.2482°
RAAN38.7028°
Arg. of periapsis100.0028°
True anomaly260.05651°
Mean anomaly281.229°
Mean motion2.71223 °/min
BSTAR0.00082492
Period132.73 mins
Definitive object data (Epoch: 2024-06-19T22:41:10.786Z)
Latitude-0.00004°
Longitude149.76342°
Altitude2,218.686 km
Speed6.819 km/s
True Right ascension02h 34m 48s
True Declination0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
TLE from 1 day ago
0 VANGUARD 1
1 00005U 58002B   24171.94526373  .00000629  00000-0  82492-3 0  9999
2 00005  34.2482  38.7028 1841479 100.0028 281.2290 10.85427468364229
Epoch: 2024-06-19T22:41Z
No data available
Other satellites on launch #2 in the year 1958 (1958-03-17 UTC)

VANGUARD 1 Visibility forecast

Observer location: 39.9160978°, -105.1181434, 0m alt.

VANGUARD 1 is not visible in the next 10 days
Span
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Max El. time (UTC)
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End time (UTC)
End Az.