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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

6 days 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 days ago

0 VANGUARD 1
1 00005U 58002B   25116.43519640  .00000200  00000-0  27906-3 0  9996
2 00005  34.2412 160.6285 1840752  59.4609 317.4844 10.85917255397970

Epoch: 2025-04-26T10:26Z

Definitive object data (Epoch: 2025-04-26T10:26:40.968Z)

Latitude

-0.00003°

Longitude

149.27979°

Altitude

1,230.066 km

Speed

7.651 km/s

True Right ascension

10h 42m 30s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at TLE epoch

Visualization TLE readout

Latitude

-32.59588°

Longitude

20.87402°

Altitude

3,773.339 km

Speed

5.684 km/s

Apparent Right ascension

01h 31m 08s

Apparent Declination

-35° 55' 59"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

12:24:32

Azimuth

281.615° WNW

Elevation

-76.3°

Doppler factor

Orbital elements

Apogee altitude

3,824.821 km

Perigee altitude

652.537 km

Semi-major axis

8,616.816 km

Eccentricity

0.1840752

Inclination

34.2412°

RAAN

160.6285°

Arg. of periapsis

59.4609°

True anomaly

300.59972°

Mean anomaly

317.4844°

Eccentric anomaly

309.32594°

Mean motion

2.71346 °/min

BSTAR

0.00027906

Orbital period

132.67 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.
8 mins	2025-05-02 05:47:35.004Z	225.046° WSW	2025-05-02 05:51:35.004Z	174.499° S	26.179°	2025-05-02 05:55:35.004Z	106.213° ESE
7 mins	2025-05-02 08:08:35.004Z	244.01° WSW	2025-05-02 08:11:35.004Z	171.065° S	33.296°	2025-05-02 08:15:35.004Z	112.913° SE
7 mins	2025-05-02 10:28:35.004Z	233.6° WSW	2025-05-02 10:30:35.004Z	201.016° SSW	23.133°	2025-05-02 10:35:35.004Z	146.175° SSE
6 mins	2025-05-03 03:48:35.004Z	186.728° SSW	2025-05-03 03:51:35.004Z	156.928° SSE	16.232°	2025-05-03 03:54:35.004Z	121.869° 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.