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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

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 20 hours ago

TLE from 20 hours ago

0 OPS 5712 (P/L 152)
1  2873U 67053G   26040.23086461  .00000108  00000-0  11249-3 0  9992
2  2873  69.9760 325.0651 0009853 306.5820 216.0321 13.98495525990622

Epoch: 2026-02-09T05:32Z

TLE epoch observation values (Epoch: 2026-02-09T05:32:26.702Z)

Latitude

16.3603°

Longitude

-83.48419°

Altitude

906.477 km

Speed

7.397 km/s

True Right ascension

09h 15m 49s

True Declination

16° 16' 10"

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

04:13:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

904.221 km

Perigee altitude

889.885 km

Semi-major axis

7,275.19 km

Eccentricity

0.00099

Inclination

69.976°

RAAN

325.0651°

Arg. of periapsis

306.582°

True anomaly

215.96575°

Mean anomaly

216.0321°

Eccentric anomaly

215.99892°

Mean motion

3.49765 °/min

Orbital period

102.93 mins

BSTAR

0.00011249

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

GGSE 4, 2828

SURCAL 159, 2872

P/L 153 DEB, 19245

OPS 5712 (P/L 153), 2874

GGSE 5, 2834

SURCAL 150B, 2909 (Decayed)

OPS 5712 (P/L 160), 2826

TIMATION 1, 2847

THOR AGENA D R/B, 2825

P/L 153 DEB, 39247 (Decayed)

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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.
11 mins	2026-02-10 05:20:46.465Z	346.251° N	2026-02-10 05:25:46.465Z	46.501° ENE	37.235°	2026-02-10 05:31:46.465Z	135.459° SSE
8 mins	2026-02-10 07:07:46.465Z	300.582° NW	2026-02-10 07:10:46.465Z	264.8° W	21.889°	2026-02-10 07:15:46.465Z	207.015° SW
5 mins	2026-02-10 18:40:46.465Z	120.663° SE	2026-02-10 18:42:46.465Z	97.844° ESE	15.308°	2026-02-10 18:45:46.465Z	66.134° ENE
10 mins	2026-02-10 20:22:46.465Z	213.205° SW	2026-02-10 20:27:46.465Z	325.598° NNW	43.116°	2026-02-10 20:32:46.465Z	19.933° NNE

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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: 20 hours ago

TLE from 20 hours ago

TLE epoch observation values (Epoch: 2026-02-09T05:32:26.702Z)

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: 20 hours ago