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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: 10 hours ago

TLE from 10 hours ago

0 OPS 5712 (P/L 153)
1 02874U 67053H   26102.17097702  .00000013  00000-0  47971-4 0  9992
2 02874  69.9730 256.8034 0009978 278.0642  81.9332 13.96818810997564

Epoch: 2026-04-12T04:06Z

TLE epoch observation values (Epoch: 2026-04-12T04:06:12.414Z)

Latitude

0.00001°

Longitude

-5.12809°

Altitude

906.13 km

Speed

7.4 km/s

True Right ascension

17h 07m 12s

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

20:37:32

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

910.142 km

Perigee altitude

895.612 km

Semi-major axis

7,281.014 km

Eccentricity

0.001

Inclination

69.973°

RAAN

256.8034°

Arg. of periapsis

278.0642°

True anomaly

82.04643°

Mean anomaly

81.9332°

Eccentric anomaly

81.98981°

Mean motion

3.49346 °/min

Orbital period

103.05 mins

BSTAR

0.000047971

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

THOR AGENA D R/B, 2825

P/L 153 DEB, 39247 (Decayed)

OPS 5712 (P/L 160), 2826

TIMATION 1, 2847

GGSE 5, 2834

OPS 5712 (P/L 152), 2873

P/L 153 DEB, 19245

SURCAL 159, 2872

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	2026-04-12 20:06:49.338Z	359.563° N	2026-04-12 20:11:49.338Z	59.804° ENE	23.496°	2026-04-12 20:15:49.338Z	105.457° ESE
10 mins	2026-04-12 21:52:49.338Z	321.235° NNW	2026-04-12 21:56:49.338Z	266.362° W	37.672°	2026-04-12 22:02:49.338Z	177.627° S
10 mins	2026-04-13 11:09:49.338Z	181.4° SSW	2026-04-13 11:13:49.338Z	120.943° SE	39.526°	2026-04-13 11:19:49.338Z	33.216° NE
7 mins	2026-04-13 12:56:49.338Z	266.609° W	2026-04-13 12:59:49.338Z	304.651° NW	22.263°	2026-04-13 13:03:49.338Z	354.073° 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: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-04-12T04:06:12.414Z)

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: 10 hours ago