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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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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: 7 hours ago

TLE from 7 hours ago

0 OPS 5712 (P/L 153)
1  2874U 67053H   25362.76317712  .00000084  00000-0  98710-4 0  9995
2  2874  69.9740 120.5895 0005081  39.0702 321.0770 13.96795333982988

Epoch: 2025-12-28T18:18Z

TLE epoch observation values (Epoch: 2025-12-28T18:18:58.503Z)

Latitude

-0.00001°

Longitude

108.37524°

Altitude

904.346 km

Speed

7.402 km/s

True Right ascension

08h 02m 21s

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

01:07:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

906.658 km

Perigee altitude

899.259 km

Semi-major axis

7,281.096 km

Eccentricity

0.00051

Inclination

69.974°

RAAN

120.5895°

Arg. of periapsis

39.0702°

True anomaly

321.0404°

Mean anomaly

321.077°

Eccentric anomaly

321.0587°

Mean motion

3.4934 °/min

Orbital period

103.05 mins

BSTAR

0.00009871

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

GGSE 4, 2828

P/L 153 DEB, 19245

SURCAL 159, 2872

OPS 5712 (P/L 160), 2826

TIMATION 1, 2847

THOR AGENA D R/B, 2825

GGSE 5, 2834

OPS 5712 (P/L 152), 2873

SURCAL 150B, 2909 (Decayed)

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	2025-12-29 08:10:53.470Z	144.428° SSE	2025-12-29 08:14:53.470Z	100.948° ESE	18.69°	2025-12-29 08:18:53.470Z	57.412° ENE
9 mins	2025-12-29 09:55:53.470Z	223.363° SW	2025-12-29 09:59:53.470Z	296.158° NW	40.738°	2025-12-29 10:04:53.470Z	15.33° NNE
4 mins	2025-12-29 17:13:53.470Z	31.766° NE	2025-12-29 17:14:53.470Z	42.787° NE	13.816°	2025-12-29 17:17:53.470Z	74.155° E
10 mins	2025-12-29 18:56:53.470Z	338.747° N	2025-12-29 19:01:53.470Z	97.928° ESE	44.344°	2025-12-29 19:06:53.470Z	151.918° SSE
4 mins	2025-12-29 20:44:53.470Z	278.297° WNW	2025-12-29 20:46:53.470Z	256.423° W	13.575°	2025-12-29 20:48:53.470Z	235.851° 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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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: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2025-12-28T18:18:58.503Z)

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: 7 hours ago