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LAGEOS 1, 8820

Orbit data source: Space-Track

LAGEOS 1, 8820 is a payload satellite owned by NASA MSFC (US) that was launched on Tue, 04 May 1976 UTC via a DELTA 2913 launch vehicle from the Air Force Western Test Range (AFWTR). 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 src="https://www.satcat.com/sats-embedded/8820?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/8820?theme=dark&initialShowStats=false

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ISO8601 Format

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ISO8601 Format

Identifier

8820, 1976-039A

Orbit

Active

Last TLE update

14 hours ago

Origin

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Bendix

Mission

Operational Civil Geodetic

Bus & Motor

LAGEOS, Unknown motor

Mass

411 kg wet, 411 kg dry

Launch date (UTC)

1976-05-04 (49 years ago)

Launch vehicle

DELTA 2913

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere, 0.6 m

Radar Cross Section

0.283 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 14 hours ago

0 LAGEOS 1
1 08820U 76039A   25121.72306199 -.00000005  00000-0  00000-0 0  9997
2 08820 109.8634  38.3966 0044490  30.0186   0.5506  6.38665130886865

Epoch: 2025-05-01T17:21Z

Definitive object data (Epoch: 2025-05-01T17:21:12.555Z)

Latitude

28.61038°

Longitude

-93.12574°

Altitude

5,840.731 km

Speed

5.726 km/s

True Right ascension

01h 48m 15s

True Declination

28° 31' 34"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-70.18687°

Longitude

7.6832°

Altitude

5,945.626 km

Speed

5.682 km/s

Apparent Right ascension

05h 23m 48s

Apparent Declination

-66° 51' 24"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:49:26

Azimuth

205.756° SW

Elevation

-55.653°

Doppler factor

Orbital elements

Apogee altitude

5,946.468 km

Perigee altitude

5,837.29 km

Semi-major axis

12,270.016 km

Eccentricity

0.004449

Inclination

109.8634°

RAAN

38.3966°

Arg. of periapsis

30.0186°

True anomaly

0.55553°

Mean anomaly

0.5506°

Eccentric anomaly

0.55306°

Mean motion

1.59689 °/min

BSTAR

Unknown

Orbital period

225.44 mins

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Other satellites on launch #39 in the year 1976 (1976-05-04 UTC)

DELTA 1 R/B, 8821 (Decayed)

LAGEOS 1 AKM, 8822

DELTA 1 DEB (YO), 14514 (Decayed)

LAGEOS 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.
55 mins	2025-05-02 08:56:05.136Z	27.489° NE	2025-05-02 09:23:05.136Z	318.373° NNW	41.89°	2025-05-02 09:51:05.136Z	240.958° WSW
42 mins	2025-05-02 12:26:05.136Z	49.54° ENE	2025-05-02 12:46:05.136Z	359.568° N	29.391°	2025-05-02 13:08:05.136Z	305.672° NW
52 mins	2025-05-02 15:43:05.136Z	114.315° SE	2025-05-02 16:09:05.136Z	41.413° NE	40.967°	2025-05-02 16:35:05.136Z	332.426° NNW
53 mins	2025-05-02 19:16:05.136Z	184.831° SSW	2025-05-02 19:41:05.136Z	253.096° W	36.224°	2025-05-02 20:09:05.136Z	329.51° NNW
36 mins	2025-05-03 04:07:05.136Z	48.885° ENE	2025-05-03 04:25:05.136Z	91.744° ESE	19.115°	2025-05-03 04:43:05.136Z	134.241° SE

Authenticating...

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Check out LAGEOS 1, 8820 on other resources

View LAGEOS 1, 8820 on NASA - NSSDCA Website

View LAGEOS 1, 8820 on Heavens-Above

View LAGEOS 1, 8820 on Keep Track

View LAGEOS 1, 8820 on Celestrak

View LAGEOS 1, 8820 on Gunter's Space Page

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