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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: 10 hours ago

TLE from 10 hours ago

0 OPS 5712 (P/L 153)
1  2874U 67053H   26087.99223818  .00000064  00000-0  84429-4 0  9998
2  2874  69.9726 287.1974 0009738 291.5226  68.4841 13.96815735995589

Epoch: 2026-03-28T23:48Z

TLE epoch observation values (Epoch: 2026-03-28T23:48:49.378Z)

Latitude

-0.00008°

Longitude

103.5871°

Altitude

904.558 km

Speed

7.401 km/s

True Right ascension

19h 08m 47s

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

15:12:37

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

909.978 km

Perigee altitude

895.798 km

Semi-major axis

7,281.025 km

Eccentricity

0.00097

Inclination

69.9726°

RAAN

287.1974°

Arg. of periapsis

291.5226°

True anomaly

68.58796°

Mean anomaly

68.4841°

Eccentric anomaly

68.53603°

Mean motion

3.49345 °/min

Orbital period

103.05 mins

BSTAR

0.000084429

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

GGSE 5, 2834

P/L 153 DEB, 39247 (Decayed)

OPS 5712 (P/L 152), 2873

GGSE 4, 2828

P/L 153 DEB, 19245

SURCAL 159, 2872

OPS 5712 (P/L 160), 2826

TIMATION 1, 2847

THOR AGENA D R/B, 2825

SURCAL 150B, 2909 (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.
9 mins	2026-03-29 13:40:50.396Z	155.98° SSE	2026-03-29 13:44:50.396Z	106.21° ESE	25.697°	2026-03-29 13:49:50.396Z	47.251° ENE
10 mins	2026-03-29 15:25:50.396Z	235.546° WSW	2026-03-29 15:29:50.396Z	288.771° WNW	33.675°	2026-03-29 15:35:50.396Z	11.592° NNE
7 mins	2026-03-29 22:42:50.396Z	14.708° NNE	2026-03-29 22:45:50.396Z	49.989° ENE	18.416°	2026-03-29 22:49:50.396Z	93.158° ESE
10 mins	2026-03-30 00:27:50.396Z	329.379° NNW	2026-03-30 00:31:50.396Z	260.367° W	43.766°	2026-03-30 00:37:50.396Z	164.902° S

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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: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-03-28T23:48:49.378Z)

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: 10 hours ago