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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: 15 hours ago

TLE from 15 hours ago

0 OPS 5712 (P/L 153)
1 02874U 67053H   25347.22358696  .00000100  00000-0  11025-3 0  9997
2 02874  69.9723 153.8945 0004469  69.1237 291.0347 13.96792048980816

Epoch: 2025-12-13T05:21Z

TLE epoch observation values (Epoch: 2025-12-13T05:21:57.913Z)

Latitude

-0.00002°

Longitude

-8.75075°

Altitude

906.069 km

Speed

7.4 km/s

True Right ascension

10h 15m 34s

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

18:44:39

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

906.224 km

Perigee altitude

899.716 km

Semi-major axis

7,281.107 km

Eccentricity

0.00045

Inclination

69.9723°

RAAN

153.8945°

Arg. of periapsis

69.1237°

True anomaly

290.98689°

Mean anomaly

291.0347°

Eccentric anomaly

291.0108°

Mean motion

3.49339 °/min

Orbital period

103.05 mins

BSTAR

0.00011025

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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 160), 2826

TIMATION 1, 2847

THOR AGENA D R/B, 2825

OPS 5712 (P/L 152), 2873

SURCAL 159, 2872

P/L 153 DEB, 19245

GGSE 4, 2828

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	2025-12-13 21:23:04.030Z	357.172° N	2025-12-13 21:28:04.030Z	65.176° ENE	27.926°	2025-12-13 21:32:04.030Z	114.177° SE
9 mins	2025-12-13 23:09:04.030Z	313.776° NW	2025-12-13 23:13:04.030Z	256.674° W	32.127°	2025-12-13 23:18:04.030Z	189.529° SSW
10 mins	2025-12-14 12:26:04.030Z	192.885° SSW	2025-12-14 12:30:04.030Z	121.302° SE	43.8°	2025-12-14 12:36:04.030Z	28.32° NE
6 mins	2025-12-14 14:14:04.030Z	282.796° WNW	2025-12-14 14:16:04.030Z	307.022° NW	18.123°	2025-12-14 14:20:04.030Z	352.091° N

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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: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2025-12-13T05:21:57.913Z)

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: 15 hours ago