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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 (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

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 1 day ago

TLE from 1 day ago

0 OPS 5712 (P/L 153)
1 02874U 67053H   25301.24902781  .00000098  00000-0  10888-3 0  9991
2 02874  69.9731 252.4265 0005672 159.9743 200.1586 13.96778485974394

Epoch: 2025-10-28T05:58Z

TLE epoch observation values (Epoch: 2025-10-28T05:58:36.002Z)

Latitude

-0.00009°

Longitude

125.93723°

Altitude

911.162 km

Speed

7.395 km/s

True Right ascension

16h 49m 42s

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

03:33:03

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

907.147 km

Perigee altitude

898.887 km

Semi-major axis

7,281.154 km

Eccentricity

0.00057

Inclination

69.9731°

RAAN

252.4265°

Arg. of periapsis

159.9743°

True anomaly

200.13622°

Mean anomaly

200.1586°

Eccentric anomaly

200.14741°

Mean motion

3.49336 °/min

Orbital period

103.05 mins

BSTAR

0.00010888

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

P/L 153 DEB, 19245

SURCAL 159, 2872

GGSE 4, 2828

P/L 153 DEB, 39247 (Decayed)

TIMATION 1, 2847

OPS 5712 (P/L 160), 2826

THOR AGENA D R/B, 2825

OPS 5712 (P/L 152), 2873

GGSE 5, 2834

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.
11 mins	2025-10-29 08:19:53.406Z	325.635° NNW	2025-10-29 08:24:53.406Z	261.379° W	39.388°	2025-10-29 08:30:53.406Z	174.471° S
9 mins	2025-10-29 21:37:53.406Z	177.819° S	2025-10-29 21:41:53.406Z	115.671° SE	38.091°	2025-10-29 21:46:53.406Z	37.187° NE
7 mins	2025-10-29 23:24:53.406Z	265.849° W	2025-10-29 23:27:53.406Z	306.215° NW	23.451°	2025-10-29 23:31:53.406Z	355.961° N
8 mins	2025-10-30 06:39:53.406Z	4.389° NNE	2025-10-30 06:43:53.406Z	63.081° ENE	27.149°	2025-10-30 06:47:53.406Z	112.315° ESE

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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2025-10-28T05:58:36.002Z)

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: 1 day ago