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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

18 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 18 hours ago

0 LAGEOS 1
1 08820U 76039A   25182.94385734 -.00000006  00000-0  00000-0 0  9991
2 08820 109.8567  59.3785 0044605  17.1184 358.9258  6.38665067890772

Epoch: 2025-07-01T22:39Z

TLE epoch observation values (Epoch: 2025-07-01T22:39:09.274Z)

Latitude

15.0351°

Longitude

153.80827°

Altitude

5,839.078 km

Speed

5.726 km/s

True Right ascension

03h 35m 18s

True Declination

14° 59' 06"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-59.35204°

Longitude

-162.97659°

Altitude

5,908.438 km

Speed

5.699 km/s

Apparent Right ascension

09h 51m 36s

Apparent Declination

-76° 59' 45"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

04:18:56

Azimuth

163.709° S

Elevation

-37.206°

Doppler factor

Orbital elements

Apogee altitude

5,946.61 km

Perigee altitude

5,837.149 km

Semi-major axis

12,270.016 km

Eccentricity

0.00446

Inclination

109.8567°

RAAN

59.3785°

Arg. of periapsis

17.1184°

True anomaly

Unknown

Mean anomaly

358.9258°

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.
51 mins	2025-07-02 17:11:32.070Z	194.915° SSW	2025-07-02 17:36:32.070Z	259.308° W	31.212°	2025-07-02 18:02:32.070Z	326.423° NNW
45 mins	2025-07-03 01:58:32.070Z	40.989° NE	2025-07-03 02:20:32.070Z	95.702° ESE	25.573°	2025-07-03 02:43:32.070Z	151.932° SSE
55 mins	2025-07-03 05:29:32.070Z	26.234° NE	2025-07-03 05:56:32.070Z	303.862° NW	44.438°	2025-07-03 06:24:32.070Z	225.621° WSW
44 mins	2025-07-03 08:59:32.070Z	41.327° NE	2025-07-03 09:21:32.070Z	346.562° N	30.518°	2025-07-03 09:43:32.070Z	292.983° NW
49 mins	2025-07-03 12:18:32.070Z	97.628° ESE	2025-07-03 12:42:32.070Z	32.827° NE	37.114°	2025-07-03 13:07:32.070Z	329.525° NNW
50 mins	2025-07-03 15:45:32.070Z	167.633° S	2025-07-03 16:12:32.070Z	248.633° W	42.017°	2025-07-03 16:35:32.070Z	326.741° NNW

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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.