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OPS 5712 (P/L 153), 2874

Orbit data source: Space-Track

OPS 5712 (P/L 153), 2874 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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https://www.satcat.com/sats-embedded/2874?theme=dark&initialShowStats=false

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Identifier

2874, 1967-053H

Orbit

LEO

Country

Related business

National Reconnaissance Office (US)

Manufacturer

NRL

Mission

Operational spacecraft

Bus & Motor

NRL MULTI, Unknown motor

Mass

77 kg wet, 77 kg dry

Launch date (UTC)

1967-05-31 (59 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

Unknown

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 5712 (P/L 153)
1  2874U 67053H   26188.74678669  .00000017  00000-0  50574-4 0  9993
2  2874  69.9740  71.2400 0007324 189.5510 170.5458 13.96831409  9662

Epoch: 2026-07-07T17:55Z

TLE epoch observation values (Epoch: 2026-07-07T17:55:22.370Z)

Latitude

0.00002°

Longitude

-123.31619°

Altitude

912.362 km

Speed

7.393 km/s

True Right ascension

04h 44m 57s

True Declination

0° 00' 00"

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

17:51:48

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

908.166 km

Perigee altitude

897.501 km

Semi-major axis

7,280.97 km

Eccentricity

0.00073

Inclination

69.974°

RAAN

71.24°

Arg. of periapsis

189.551°

True anomaly

170.55957°

Mean anomaly

170.5458°

Eccentric anomaly

170.55269°

Mean motion

3.49349 °/min

Orbital period

103.05 mins

BSTAR

0.000050574

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

OPS 5712 (P/L 152), 2873

THOR AGENA D R/B, 2825

SURCAL 150B, 2909 (Decayed)

TIMATION 1, 2847

OPS 5712 (P/L 160), 2826

P/L 153 DEB, 39247 (Decayed)

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OPS 5712 (P/L 153) 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.
8 mins	2026-07-08 16:22:28.431Z	151.263° SSE	2026-07-08 16:26:28.431Z	109.061° ESE	21.009°	2026-07-08 16:30:28.431Z	59.718° ENE
10 mins	2026-07-08 18:07:28.431Z	226.219° WSW	2026-07-08 18:12:28.431Z	312.619° NW	38.209°	2026-07-08 18:17:28.431Z	14.331° NNE
5 mins	2026-07-09 01:25:28.431Z	24.862° NE	2026-07-09 01:27:28.431Z	47.61° ENE	15.272°	2026-07-09 01:30:28.431Z	79.616° E
10 mins	2026-07-09 03:09:28.431Z	335.916° NNW	2026-07-09 03:13:28.431Z	341.285° N	44.648°	2026-07-09 03:19:28.431Z	156.842° SSE

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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 5712 (P/L 153), 2874 on other resources

View OPS 5712 (P/L 153), 2874 on NASA - NSSDCA Website

View OPS 5712 (P/L 153), 2874 on Heavens-Above

View OPS 5712 (P/L 153), 2874 on Keep Track

View OPS 5712 (P/L 153), 2874 on Celestrak

View OPS 5712 (P/L 153), 2874 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 5712 (P/L 153), 2874

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: 2026-07-07T17:55:22.370Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

OPS 5712 (P/L 153) Visibility forecast

Co-orbital & Co-planar RSOs

Check out OPS 5712 (P/L 153), 2874 on other resources

Documentation

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