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OPS 5712 (P/L 152), 2873

Orbit data source: Space-Track

OPS 5712 (P/L 152), 2873 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/2873?theme=dark&initialShowStats=false

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Identifier

2873, 1967-053G

Orbit

LEO

Country

Related business

National Reconnaissance Office (US)

Manufacturer

NRL

Mission

Spacecraft

Bus & Motor

NRL 24", Unknown motor

Mass

52 kg wet, 52 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: 14 hours ago

TLE from 14 hours ago

0 OPS 5712 (P/L 152)
1  2873U 67053G   26310.41547516  .00000060  00000-0  79238-4 0  9995
2  2873  69.9723 104.3073 0009697 314.6397  73.8220 13.98553433 28398

Epoch: 2026-11-06T09:58Z

TLE epoch observation values (Epoch: 2026-11-06T09:58:17.053Z)

Latitude

26.74548°

Longitude

-80.37022°

Altitude

899.51 km

Speed

7.406 km/s

True Right ascension

07h 39m 20s

True Declination

26° 36' 37"

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

19:44:33

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

903.907 km

Perigee altitude

889.798 km

Semi-major axis

7,274.989 km

Eccentricity

0.00097

Inclination

69.9723°

RAAN

104.3073°

Arg. of periapsis

314.6397°

True anomaly

73.92876°

Mean anomaly

73.822°

Eccentric anomaly

73.87537°

Mean motion

3.4978 °/min

Orbital period

102.92 mins

BSTAR

0.000079238

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

P/L 153 DEB, 39247 (Decayed)

SURCAL 150B, 2909 (Decayed)

P/L 153 DEB, 19245

OPS 5712 (P/L 160), 2826

GGSE 4, 2828

OPS 5712 (P/L 153), 2874

TIMATION 1, 2847

SURCAL 159, 2872

GGSE 5, 2834

THOR AGENA D R/B, 2825

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OPS 5712 (P/L 152) 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.
10 mins	2026-11-07 11:42:13.931Z	199.061° SSW	2026-11-07 11:47:13.931Z	94.052° ESE	82.446°	2026-11-07 11:52:13.931Z	26.47° NE
5 mins	2026-11-07 13:31:13.931Z	287.634° WNW	2026-11-07 13:33:13.931Z	311.081° NW	17.399°	2026-11-07 13:36:13.931Z	344.822° N
9 mins	2026-11-07 20:44:13.931Z	354.168° N	2026-11-07 20:48:13.931Z	60.981° ENE	46.977°	2026-11-07 20:53:13.931Z	130.898° SE
7 mins	2026-11-07 22:30:13.931Z	298.197° NW	2026-11-07 22:33:13.931Z	258.318° W	25.946°	2026-11-07 22:37:13.931Z	208.915° SW

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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 152), 2873 on other resources

View OPS 5712 (P/L 152), 2873 on NASA - NSSDCA Website

View OPS 5712 (P/L 152), 2873 on Heavens-Above

View OPS 5712 (P/L 152), 2873 on Keep Track

View OPS 5712 (P/L 152), 2873 on Celestrak

View OPS 5712 (P/L 152), 2873 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 152), 2873

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-11-06T09:58:17.053Z)

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 152) Visibility forecast

Co-orbital & Co-planar RSOs

Check out OPS 5712 (P/L 152), 2873 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 14 hours ago