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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

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ISO8601 Format

Identifier

5, 1958-002B

Orbit

LEO

Last TLE update

14 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 14 hours ago

0 VANGUARD 1
1 00005U 58002B   25179.71281414 -.00000020  00000-0 -20933-4 0  9997
2 00005  34.2528 325.3251 1841505 344.7467  10.4083 10.85926757404858

Epoch: 2025-06-28T17:06Z

TLE epoch observation values (Epoch: 2025-06-28T17:06:27.141Z)

Latitude

-0.00004°

Longitude

151.66457°

Altitude

687.868 km

Speed

8.16 km/s

True Right ascension

21h 41m 18s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

28.2935°

Longitude

-158.20624°

Altitude

1,445.163 km

Speed

7.463 km/s

Apparent Right ascension

03h 04m 07s

Apparent Declination

-2° 19' 48"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

18:06:57

Azimuth

59.784° ENE

Elevation

-34.142°

Doppler factor

Orbital elements

Apogee altitude

3,825.409 km

Perigee altitude

651.846 km

Semi-major axis

8,616.765 km

Eccentricity

0.18415

Inclination

34.2528°

RAAN

325.3251°

Arg. of periapsis

344.7467°

True anomaly

Unknown

Mean anomaly

10.4083°

Eccentric anomaly

Unknown

Mean motion

2.71348 °/min

Orbital period

132.67 mins

BSTAR

-0.000020933

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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.
16 mins	2025-06-29 13:10:01.441Z	210.773° SW	2025-06-29 13:16:01.441Z	143.412° SSE	32.303°	2025-06-29 13:26:01.441Z	87.361° E
25 mins	2025-06-29 15:29:01.441Z	250.825° W	2025-06-29 15:37:01.441Z	164.851° S	42.776°	2025-06-29 15:54:01.441Z	96.423° ESE
32 mins	2025-06-29 17:49:01.441Z	268.274° W	2025-06-29 18:00:01.441Z	196.966° SSW	41.466°	2025-06-29 18:21:01.441Z	122.042° SE
33 mins	2025-06-29 20:11:01.441Z	268.834° W	2025-06-29 20:25:01.441Z	211.479° SW	31.76°	2025-06-29 20:44:01.441Z	155.928° SSE
14 mins	2025-06-29 22:42:01.441Z	245.716° WSW	2025-06-29 22:48:01.441Z	229.514° WSW	12.746°	2025-06-29 22:56:01.441Z	208.645° SW

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.