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VANGUARD 1, 5

Orbit data source: Space-Track

VANGUARD 1, 5 is a payload satellite owned by NRL (US) in LEO 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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Identifier
5, 1958-002B
Orbit
LEO
Last TLE update6 hours ago
Origin
Flag of USNRL (US)
ManufacturerNRL
MissionCivil Technology
Bus & MotorNRL 6", Unknown motor
Mass2 kg wet, 2 kg dry
Launch date (UTC)
1958-03-17 (67 years ago)
Launch vehicle
VANGUARD
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBRSphere, 0.16 m
Radar Cross Section0.020 m², Small (<0.1 m²)

Expand to show TLE details & history

TLE from 6 hours ago
0 VANGUARD 1
1     5U 58002B   25081.84000809  .00000464  00000-0  55950-3 0  9996
2     5  34.2580 267.4103 1841774 263.4592  75.4179 10.85899292394300
Epoch: 2025-03-22T20:09Z
Definitive object data (Epoch: 2025-03-22T20:09:36.698Z)
Latitude-0.00002°
Longitude144.42805°
Altitude2,122.729 km
Speed6.894 km/s
True Right ascension17h 49m 38s
True Declination0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude21.64019°
Longitude-71.73977°
Altitude2,933.076 km
Speed6.276 km/s
Apparent Right ascension01h 08m 03s
Apparent Declination-5° 37' 03"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time06:43:07
Azimuth261.694° W
Elevation1.151°
Doppler factor1
Orbital elements
Apogee altitude3,825.812 km
Perigee altitude651.732 km
Semi-major axis8,616.909 km
Eccentricity0.1841774
Inclination34.258°
RAAN267.4103°
Arg. of periapsis263.4592°
True anomaly96.60042°
Mean anomaly75.4179°
Eccentric anomaly85.94406°
Mean motion2.71341 °/min
BSTAR0.0005595
Orbital period132.67 mins
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Other satellites on launch #2 in the year 1958 (1958-03-17 UTC)
VANGUARD R/B, 16
VANGUARD DEB, 1576

VANGUARD 1 Visibility forecast

Observer location: undefined°, undefined°

Span
Click to sort rows by Start time (UTC) header in descending order
Start Az.
Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
End Az.
32 mins2025-03-23 13:54:22.391Z195.232° SSW2025-03-23 14:07:22.391Z137.232° SSE30.602°2025-03-23 14:26:22.391Z81.062° E
39 mins2025-03-23 16:14:22.391Z234.916° WSW2025-03-23 16:31:22.391Z157.1° SSE42.368°2025-03-23 16:53:22.391Z85.679° E
41 mins2025-03-23 18:37:22.391Z263.065° W2025-03-23 18:58:22.391Z177.409° S43.958°2025-03-23 19:18:22.391Z104.478° ESE
36 mins2025-03-23 21:03:22.391Z276.753° WNW2025-03-23 21:24:22.391Z204.443° SW39.828°2025-03-23 21:39:22.391Z136.85° SSE
24 mins2025-03-23 23:32:22.391Z272.566° WNW2025-03-23 23:45:22.391Z232.522° WSW22.435°2025-03-23 23:56:22.391Z183.575° SSW

Check out VANGUARD 1, 5 on other resources

View VANGUARD 1, 5 on NASA - NSSDCA Website

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

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