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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   26101.21282889  .00000040  00000-0  65465-4 0  9995
2 02873  69.9750 193.9893 0010310 247.8592 136.0858 13.98513140999151

Epoch: 2026-04-11T05:06Z

TLE epoch observation values (Epoch: 2026-04-11T05:06:28.416Z)

Latitude

22.51857°

Longitude

-73.41943°

Altitude

906.498 km

Speed

7.398 km/s

True Right ascension

13h 30m 32s

True Declination

22° 23' 59"

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

17:50:14

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

904.492 km

Perigee altitude

889.491 km

Semi-major axis

7,275.129 km

Eccentricity

0.00103

Inclination

69.975°

RAAN

193.9893°

Arg. of periapsis

247.8592°

True anomaly

136.16767°

Mean anomaly

136.0858°

Eccentric anomaly

136.12674°

Mean motion

3.4977 °/min

Orbital period

102.92 mins

BSTAR

0.000065465

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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)

TIMATION 1, 2847

OPS 5712 (P/L 160), 2826

OPS 5712 (P/L 153), 2874

SURCAL 150B, 2909 (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.
8 mins	2026-04-11 15:49:55.524Z	2.77° NNE	2026-04-11 15:53:55.524Z	46.143° ENE	19.958°	2026-04-11 15:57:55.524Z	93.644° ESE
10 mins	2026-04-11 17:35:55.524Z	326.251° NNW	2026-04-11 17:39:55.524Z	263.898° W	41.98°	2026-04-11 17:45:55.524Z	169.357° S
9 mins	2026-04-12 06:51:55.524Z	170.726° S	2026-04-12 06:55:55.524Z	110.978° ESE	34.557°	2026-04-12 07:00:55.524Z	40.318° NE
8 mins	2026-04-12 08:37:55.524Z	254.798° W	2026-04-12 08:41:55.524Z	310.619° NW	26.228°	2026-04-12 08:45:55.524Z	0.082° 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: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-04-11T05:06:28.416Z)

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