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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

ELL + ANT, 9.0 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 16 hours ago

TLE from 16 hours ago

0 OPS 5712 (P/L 153)
1 02874U 67053H   26252.47872347  .00000028  00000-0  58189-4 0  9996
2 02874  69.9732 294.6332 0004496  82.7549 277.4068 13.96838549 18566

Epoch: 2026-09-09T11:29Z

TLE epoch observation values (Epoch: 2026-09-09T11:29:21.707Z)

Latitude

-0.00003°

Longitude

133.76254°

Altitude

906.654 km

Speed

7.399 km/s

True Right ascension

19h 38m 31s

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

19:16:43

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

906.082 km

Perigee altitude

899.535 km

Semi-major axis

7,280.945 km

Eccentricity

0.00045

Inclination

69.9732°

RAAN

294.6332°

Arg. of periapsis

82.7549°

True anomaly

277.35571°

Mean anomaly

277.4068°

Eccentric anomaly

277.38125°

Mean motion

3.49351 °/min

Orbital period

103.05 mins

BSTAR

0.000058189

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

OPS 5712 (P/L 160), 2826

THOR AGENA D R/B, 2825

TIMATION 1, 2847

SURCAL 150B, 2909 (Decayed)

OPS 5712 (P/L 152), 2873

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	2026-09-10 03:04:31.980Z	144.552° SSE	2026-09-10 03:08:31.980Z	99.166° ESE	20.913°	2026-09-10 03:12:31.980Z	55.771° ENE
9 mins	2026-09-10 04:49:31.980Z	226.025° WSW	2026-09-10 04:53:31.980Z	301.784° NW	56.771°	2026-09-10 04:58:31.980Z	14.708° NNE
5 mins	2026-09-10 12:06:31.980Z	22.3° NNE	2026-09-10 12:08:31.980Z	43.936° NE	14.824°	2026-09-10 12:11:31.980Z	75.589° E
10 mins	2026-09-10 13:50:31.980Z	337.933° N	2026-09-10 13:55:31.980Z	118.377° SE	78.129°	2026-09-10 14:00:31.980Z	153.597° SSE
4 mins	2026-09-10 15:38:31.980Z	276.833° WNW	2026-09-10 15:39:31.980Z	266.228° W	13.323°	2026-09-10 15:42:31.980Z	235.44° WSW

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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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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: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-09-09T11:29:21.707Z)

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: 16 hours ago