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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: 6 hours ago

TLE from 6 hours ago

0 OPS 5712 (P/L 152)
1 02873U 67053G   26177.97364436  .00000081  00000-0  94061-4 0  9999
2 02873  69.9748  28.9966 0006529 158.6825 311.0737 13.98529387  9873

Epoch: 2026-06-26T23:22Z

TLE epoch observation values (Epoch: 2026-06-26T23:22:02.872Z)

Latitude

62.30438°

Longitude

-100.29525°

Altitude

905.845 km

Speed

7.407 km/s

True Right ascension

11h 01m 14s

True Declination

62° 09' 56"

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

16:53:07

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

901.685 km

Perigee altitude

892.185 km

Semi-major axis

7,275.072 km

Eccentricity

0.00065

Inclination

69.9748°

RAAN

28.9966°

Arg. of periapsis

158.6825°

True anomaly

311.01727°

Mean anomaly

311.0737°

Eccentric anomaly

311.04549°

Mean motion

3.49774 °/min

Orbital period

102.92 mins

BSTAR

0.000094061

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

GGSE 5, 2834

THOR AGENA D R/B, 2825

GGSE 4, 2828

OPS 5712 (P/L 153), 2874

TIMATION 1, 2847

SURCAL 150B, 2909 (Decayed)

P/L 153 DEB, 39247 (Decayed)

SURCAL 159, 2872

OPS 5712 (P/L 160), 2826

P/L 153 DEB, 19245

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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.
9 mins	2026-06-27 14:24:12.686Z	153.805° SSE	2026-06-27 14:29:12.686Z	94.871° ESE	22.386°	2026-06-27 14:33:12.686Z	51.464° ENE
10 mins	2026-06-27 16:09:12.686Z	229.393° WSW	2026-06-27 16:14:12.686Z	313.318° NW	36.551°	2026-06-27 16:19:12.686Z	13.322° NNE
5 mins	2026-06-27 23:26:12.686Z	20.422° NNE	2026-06-27 23:28:12.686Z	43.021° NE	15.896°	2026-06-27 23:31:12.686Z	77.163° E
10 mins	2026-06-28 01:10:12.686Z	334.208° NNW	2026-06-28 01:15:12.686Z	176.489° S	44.297°	2026-06-28 01:20:12.686Z	159.241° S

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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: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-06-26T23:22:02.872Z)

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: 6 hours ago