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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   26133.89404338 -.00000001  00000-0  37402-4 0  9998
2  2874  69.9730 188.8108 0009883 248.1560 111.8495 13.96823213  2004

Epoch: 2026-05-13T21:27Z

TLE epoch observation values (Epoch: 2026-05-13T21:27:25.348Z)

Latitude

-0°

Longitude

-4.69234°

Altitude

909.813 km

Speed

7.396 km/s

True Right ascension

12h 35m 14s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

17:55:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

910.058 km

Perigee altitude

895.666 km

Semi-major axis

7,280.999 km

Eccentricity

0.00099

Inclination

69.973°

RAAN

188.8108°

Arg. of periapsis

248.156°

True anomaly

111.95457°

Mean anomaly

111.8495°

Eccentric anomaly

111.90204°

Mean motion

3.49347 °/min

Orbital period

103.05 mins

BSTAR

0.000037402

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

TIMATION 1, 2847

SURCAL 150B, 2909 (Decayed)

GGSE 4, 2828

P/L 153 DEB, 19245

GGSE 5, 2834

OPS 5712 (P/L 152), 2873

SURCAL 159, 2872

OPS 5712 (P/L 160), 2826

THOR AGENA D R/B, 2825

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.
9 mins	2026-05-14 13:27:52.124Z	359.059° N	2026-05-14 13:32:52.124Z	57.548° ENE	22.992°	2026-05-14 13:36:52.124Z	103.754° ESE
10 mins	2026-05-14 15:13:52.124Z	322.533° NNW	2026-05-14 15:18:52.124Z	235.261° WSW	38.273°	2026-05-14 15:23:52.124Z	176.86° S
10 mins	2026-05-15 04:30:52.124Z	180.582° SSW	2026-05-15 04:34:52.124Z	125.197° SE	38.693°	2026-05-15 04:40:52.124Z	34.109° NE
8 mins	2026-05-15 06:17:52.124Z	264.667° W	2026-05-15 06:20:52.124Z	302.49° NW	22.759°	2026-05-15 06:25:52.124Z	0.686° NNE

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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: 2026-05-13T21:27:25.348Z)

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