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GGSE 4, 2828

Orbit data source: Space-Track

GGSE 4, 2828 is an American payload satellite in LEO that was launched on Wed, 31 May 1967 UTC via a THOR SLV-2 AGENA D 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/2828?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/2828?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

2828, 1967-053C

Orbit

LEO

Last TLE update

10 hours ago

Origin

National Reconnaissance Office (US)

Manufacturer

NRL

Mission

Defense Technology

Bus & Motor

NRL MULTI, Unknown motor

Mass

85 kg wet, 85 kg dry

Launch date (UTC)

1967-05-31 (58 years ago)

Launch vehicle

THOR SLV-2 AGENA D

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Ell + 2 Ant, 9.0 m

Radar Cross Section

1.247 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 GGSE 4
1 02828U 67053C   25221.49906691  .00000056  00000-0  77036-4 0  9995
2 02828  69.9724  12.4581 0009390 228.6381 131.3919 13.97996648964605

Epoch: 2025-08-09T11:58Z

TLE epoch observation values (Epoch: 2025-08-09T11:58:39.381Z)

Latitude

0.00004°

Longitude

-125.43987°

Altitude

907.577 km

Speed

7.396 km/s

True Right ascension

00h 49m 49s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-30.75986°

Longitude

-138.81075°

Altitude

912.728 km

Speed

7.394 km/s

Apparent Right ascension

00h 07m 24s

Apparent Declination

-34° 54' 12"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

12:21:34

Azimuth

30.381° NE

Elevation

-84.254°

Doppler factor

Orbital elements

Apogee altitude

905.618 km

Perigee altitude

891.952 km

Semi-major axis

7,276.922 km

Eccentricity

0.00094

Inclination

69.9724°

RAAN

12.4581°

Arg. of periapsis

228.6381°

True anomaly

131.47256°

Mean anomaly

131.3919°

Eccentric anomaly

131.43224°

Mean motion

3.4964 °/min

Orbital period

102.96 mins

BSTAR

0.000077036

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Other satellites on launch #53 in the year 1967 (1967-05-31 UTC)

OPS 5712 (P/L 160), 2826

THOR AGENA D R/B, 2825

GGSE 5, 2834

TIMATION 1, 2847

SURCAL 159, 2872

OPS 5712 (P/L 152), 2873

OPS 5712 (P/L 153), 2874

SURCAL 150B, 2909

P/L 153 DEB, 19245

P/L 153 DEB, 39247 (Decayed)

GGSE 4 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.
5 mins	2025-08-09 22:55:26.317Z	283.977° WNW	2025-08-09 22:57:26.317Z	262.454° W	13.973°	2025-08-09 23:00:26.317Z	231.334° WSW
8 mins	2025-08-10 10:25:26.317Z	150.385° SSE	2025-08-10 10:29:26.317Z	99.36° ESE	23.802°	2025-08-10 10:33:26.317Z	52.493° ENE
9 mins	2025-08-10 12:10:26.317Z	234.966° WSW	2025-08-10 12:14:26.317Z	302.083° NW	35.889°	2025-08-10 12:19:26.317Z	11.058° NNE
5 mins	2025-08-10 19:27:26.317Z	24.569° NE	2025-08-10 19:29:26.317Z	48.467° ENE	16.888°	2025-08-10 19:32:26.317Z	82.174° E
10 mins	2025-08-10 21:11:26.317Z	332.334° NNW	2025-08-10 21:15:26.317Z	273.852° WNW	44.564°	2025-08-10 21:21:26.317Z	161.342° S

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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Check out GGSE 4, 2828 on other resources

View GGSE 4, 2828 on NASA - NSSDCA Website

View GGSE 4, 2828 on Heavens-Above

View GGSE 4, 2828 on Keep Track

View GGSE 4, 2828 on Celestrak

View GGSE 4, 2828 on Gunter's Space Page

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