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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). Payload-class satellites include a variety of spacecraft 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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Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/5?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/5?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

5, 1958-002B

Orbit

LEO

Last TLE update

6 hours ago

Origin

United States Navy (US)

Manufacturer

NRL

Mission

Civil Technology

Bus & Motor

NRL 6", Unknown motor

Mass

2 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 & HBR

Sphere, 0.16 m

Radar Cross Section

0.020 m², Small (<0.1 m²)

Expand to show TLE details & history

TLE from 6 hours ago

0 VANGUARD 1
1     5U 58002B   25186.42991674 -.00000037  00000-0 -29307-4 0  9991
2     5  34.2485 304.5890 1841335  15.0409 349.8185 10.85926411405673

Epoch: 2025-07-05T10:19Z

TLE epoch observation values (Epoch: 2025-07-05T10:19:04.806Z)

Latitude

-0°

Longitude

-133.84911°

Altitude

686.232 km

Speed

8.161 km/s

True Right ascension

20h 18m 21s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-30.09749°

Longitude

167.42615°

Altitude

1,663.902 km

Speed

7.275 km/s

Apparent Right ascension

16h 27m 54s

Apparent Declination

-34° 17' 13"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

04:34:14

Azimuth

13.127° NNE

Elevation

-84.231°

Doppler factor

Orbital elements

Apogee altitude

3,825.265 km

Perigee altitude

651.995 km

Semi-major axis

8,616.767 km

Eccentricity

0.18413

Inclination

34.2485°

RAAN

304.589°

Arg. of periapsis

15.0409°

True anomaly

Unknown

Mean anomaly

349.8185°

Eccentric anomaly

Unknown

Mean motion

2.71348 °/min

Orbital period

132.67 mins

BSTAR

-0.000029307

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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.
28 mins	2025-07-05 17:24:00.306Z	267.653° W	2025-07-05 17:34:00.306Z	201.35° SSW	35.718°	2025-07-05 17:52:00.306Z	137.181° SSE
24 mins	2025-07-05 19:48:00.306Z	254.356° W	2025-07-05 19:58:00.306Z	214.615° SW	21.056°	2025-07-05 20:12:00.306Z	174.792° S
6 mins	2025-07-06 10:49:00.306Z	167.56° S	2025-07-06 10:51:00.306Z	139.12° SSE	18.089°	2025-07-06 10:55:00.306Z	101.554° ESE
14 mins	2025-07-06 13:06:00.306Z	234.253° WSW	2025-07-06 13:10:00.306Z	162.405° S	39.152°	2025-07-06 13:20:00.306Z	93.826° ESE
22 mins	2025-07-06 15:24:00.306Z	262.244° W	2025-07-06 15:31:00.306Z	186.677° SSW	40.698°	2025-07-06 15:46:00.306Z	114.826° SE

Authenticating...

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Check out VANGUARD 1, 5 on other resources

View VANGUARD 1, 5 on NASA - NSSDCA Website

View VANGUARD 1, 5 on Heavens-Above

View VANGUARD 1, 5 on Keep Track

View VANGUARD 1, 5 on Celestrak

View VANGUARD 1, 5 on Gunter's Space Page

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