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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, 1.1 m

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 02874U 67053H   26314.06205041  .00000049  00000-0  73786-4 0  9994
2 02874  69.9721 162.6294 0007696 344.7347  15.3525 13.96846580 27164

Epoch: 2026-11-10T01:29Z

TLE epoch observation values (Epoch: 2026-11-10T01:29:21.155Z)

Latitude

-0.00007°

Longitude

91.06158°

Altitude

901.641 km

Speed

7.404 km/s

True Right ascension

10h 50m 31s

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

10:11:26

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

908.384 km

Perigee altitude

897.177 km

Semi-major axis

7,280.918 km

Eccentricity

0.00077

Inclination

69.9721°

RAAN

162.6294°

Arg. of periapsis

344.7347°

True anomaly

15.37587°

Mean anomaly

15.3525°

Eccentric anomaly

15.36418°

Mean motion

3.49353 °/min

Orbital period

103.05 mins

BSTAR

0.000073786

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

P/L 153 DEB, 19245

OPS 5712 (P/L 160), 2826

GGSE 4, 2828

OPS 5712 (P/L 152), 2873

TIMATION 1, 2847

P/L 153 DEB, 39247 (Decayed)

SURCAL 159, 2872

GGSE 5, 2834

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.
11 mins	2026-11-10 15:20:58.007Z	195.176° SSW	2026-11-10 15:25:58.007Z	142.716° SSE	72.372°	2026-11-10 15:31:58.007Z	28.243° NE
6 mins	2026-11-10 17:09:58.007Z	280.565° WNW	2026-11-10 17:12:58.007Z	316.981° NNW	18.931°	2026-11-10 17:15:58.007Z	349.885° N
9 mins	2026-11-11 00:23:58.007Z	355.885° N	2026-11-11 00:27:58.007Z	58.9° ENE	43.052°	2026-11-11 00:32:58.007Z	127.341° SE
8 mins	2026-11-11 02:09:58.007Z	301.913° NW	2026-11-11 02:12:58.007Z	262.002° W	28.531°	2026-11-11 02:17:58.007Z	201.006° SSW
4 mins	2026-11-11 13:43:58.007Z	114.829° SE	2026-11-11 13:45:58.007Z	93.446° ESE	13.314°	2026-11-11 13:47:58.007Z	73.148° E

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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: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-11-10T01:29:21.155Z)

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