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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

Identifier

8820, 1976-039A

Orbit

Active

Last TLE update

11 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 11 hours ago

0 LAGEOS 1
1 08820U 76039A   25182.63136447 -.00000006  00000-0  00000-0 0  9992
2 08820 109.8568  59.2714 0044606  17.1883   0.4407  6.38665067890754

Epoch: 2025-07-01T15:09Z

TLE epoch observation values (Epoch: 2025-07-01T15:09:09.89Z)

Latitude

16.53558°

Longitude

-94.07982°

Altitude

5,839.147 km

Speed

5.726 km/s

True Right ascension

03h 32m 32s

True Declination

16° 28' 51"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-4.35774°

Longitude

-86.21532°

Altitude

5,844.203 km

Speed

5.723 km/s

Apparent Right ascension

03h 27m 03s

Apparent Declination

-16° 49' 38"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

13:52:54

Azimuth

311.743° NW

Elevation

-59.185°

Doppler factor

Orbital elements

Apogee altitude

5,946.611 km

Perigee altitude

5,837.148 km

Semi-major axis

12,270.016 km

Eccentricity

0.00446

Inclination

109.8568°

RAAN

59.2714°

Arg. of periapsis

17.1883°

True anomaly

Unknown

Mean anomaly

0.4407°

Eccentric anomaly

Unknown

Mean motion

1.59689 °/min

Orbital period

225.44 mins

BSTAR

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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.
56 mins	2025-07-02 03:16:52.330Z	29.134° NE	2025-07-02 03:45:52.330Z	110.156° ESE	38.811°	2025-07-02 04:12:52.330Z	182.872° SSW
52 mins	2025-07-02 06:51:52.330Z	27.786° NE	2025-07-02 07:16:52.330Z	320.751° NNW	39.638°	2025-07-02 07:43:52.330Z	250.689° W
43 mins	2025-07-02 10:17:52.330Z	57.476° ENE	2025-07-02 10:38:52.330Z	4.96° NNE	29.599°	2025-07-02 11:00:52.330Z	311.932° NW
54 mins	2025-07-02 13:35:52.330Z	124.347° SE	2025-07-02 14:02:52.330Z	43.209° NE	42.992°	2025-07-02 14:29:52.330Z	333.185° NNW
49 mins	2025-07-02 17:12:52.330Z	196.9° SSW	2025-07-02 17:36:52.330Z	260.53° W	31.206°	2025-07-02 18:01:52.330Z	325.381° NNW
13 mins	2025-07-03 01:58:52.330Z	41.618° NE	2025-07-03 02:11:52.330Z	70.861° E	23.038°	2025-07-03 02:11:52.330Z	70.861° E

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.