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OPS 7613 (P/L 4), 4237

Orbit data source: Space-Track

OPS 7613 (P/L 4), 4237 is an American payload satellite in LEO that was launched on Tue, 30 Sep 1969 UTC via a THORAD SLV-2G 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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https://www.satcat.com/sats-embedded/4237?theme=dark&initialShowStats=false

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Identifier

4237, 1969-082E

Orbit

LEO

Country

Related business

National Reconnaissance Office (US)

Manufacturer

NRL

Mission

Spacecraft

Bus & Motor

NRL MULTI, Unknown motor

Mass

101 kg wet, 101 kg dry

Launch date (UTC)

1969-09-30 (57 years ago)

Launch vehicle

THORAD SLV-2G AGENA D

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.7 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 OPS 7613 (P/L 4)
1 04237U 69082E   26093.87493529  .00000061  00000-0  82962-4 0  9996
2 04237  70.0133 262.6374 0022607 231.4516 243.0807 13.95984238875939

Epoch: 2026-04-03T20:59Z

TLE epoch observation values (Epoch: 2026-04-03T20:59:54.409Z)

Latitude

59.03631°

Longitude

-101.6279°

Altitude

924.611 km

Speed

7.392 km/s

True Right ascension

03h 02m 12s

True Declination

58° 53' 16"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

14:25:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

922.243 km

Perigee altitude

889.309 km

Semi-major axis

7,283.913 km

Eccentricity

0.00226

Inclination

70.0133°

RAAN

262.6374°

Arg. of periapsis

231.4516°

True anomaly

242.85001°

Mean anomaly

243.0807°

Eccentric anomaly

242.96532°

Mean motion

3.49137 °/min

Orbital period

103.11 mins

BSTAR

0.000082962

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Other satellites on launch #82 in the year 1969 (1969-09-30 UTC)

THORAD AGENA D DEB, 5964 (Decayed)

THORAD AGENA D DEB, 4894 (Decayed)

THORAD AGENA D DEB, 4190 (Decayed)

OPS 7613 (P/L 1), 4256

TEMPSAT 2, 4168

THORAD AGENA D DEB, 5271 (Decayed)

THORAD AGENA D DEB, 4547

THORAD AGENA D DEB, 4468

THORAD AGENA D DEB, 5794

THORAD AGENA D DEB, 4311

THORAD AGENA D DEB, 4207

THORAD AGENA D DEB, 4141

THORAD AGENA D DEB, 4205

THORAD AGENA D DEB, 4135

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OPS 7613 (P/L 4) Visibility forecast

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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.
10 mins	2026-04-04 12:02:14.475Z	176.36° S	2026-04-04 12:07:14.475Z	109.157° ESE	35.724°	2026-04-04 12:12:14.475Z	39.239° NE
9 mins	2026-04-04 13:49:14.475Z	255.059° W	2026-04-04 13:53:14.475Z	308.072° NW	25.86°	2026-04-04 13:58:14.475Z	4.619° NNE
8 mins	2026-04-04 21:05:14.475Z	4.634° NNE	2026-04-04 21:09:14.475Z	58.282° ENE	25.254°	2026-04-04 21:13:14.475Z	107.287° ESE
10 mins	2026-04-04 22:50:14.475Z	319.655° NNW	2026-04-04 22:55:14.475Z	239.626° WSW	35.532°	2026-04-04 23:00:14.475Z	181.59° SSW

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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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out OPS 7613 (P/L 4), 4237 on other resources

View OPS 7613 (P/L 4), 4237 on NASA - NSSDCA Website

View OPS 7613 (P/L 4), 4237 on Heavens-Above

View OPS 7613 (P/L 4), 4237 on Keep Track

View OPS 7613 (P/L 4), 4237 on Celestrak

View OPS 7613 (P/L 4), 4237 on Gunter's Space Page

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

OPS 7613 (P/L 4), 4237

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-04-03T20:59:54.409Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #82 in the year 1969 (1969-09-30 UTC)

OPS 7613 (P/L 4) Visibility forecast

Co-orbital & Co-planar RSOs

Check out OPS 7613 (P/L 4), 4237 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago