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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: 19 hours ago

TLE from 19 hours ago

0 OPS 5712 (P/L 152)
1 02873U 67053G   26263.51518697  .00000032  00000-0  59833-4 0  9999
2 02873  69.9740 205.1207 0006988   8.2516 108.8863 13.98543977 21831

Epoch: 2026-09-20T12:21Z

TLE epoch observation values (Epoch: 2026-09-20T12:21:52.154Z)

Latitude

56.78374°

Longitude

166.62195°

Altitude

909.383 km

Speed

7.402 km/s

True Right ascension

23h 25m 59s

True Declination

56° 37' 45"

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

00:08:10

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

901.969 km

Perigee altitude

891.801 km

Semi-major axis

7,275.022 km

Eccentricity

0.0007

Inclination

69.974°

RAAN

205.1207°

Arg. of periapsis

8.2516°

True anomaly

108.96204°

Mean anomaly

108.8863°

Eccentric anomaly

108.92417°

Mean motion

3.49777 °/min

Orbital period

102.92 mins

BSTAR

0.000059833

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

P/L 153 DEB, 39247 (Decayed)

P/L 153 DEB, 19245

SURCAL 159, 2872

GGSE 4, 2828

SURCAL 150B, 2909 (Decayed)

GGSE 5, 2834

THOR AGENA D R/B, 2825

TIMATION 1, 2847

OPS 5712 (P/L 160), 2826

OPS 5712 (P/L 153), 2874

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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	2026-09-21 07:14:56.106Z	336.287° NNW	2026-09-21 07:19:56.106Z	350.831° N	77.315°	2026-09-21 07:25:56.106Z	155.646° SSE
8 mins	2026-09-21 20:32:56.106Z	151.815° SSE	2026-09-21 20:35:56.106Z	112.253° ESE	29.013°	2026-09-21 20:40:56.106Z	48.575° ENE
9 mins	2026-09-21 22:17:56.106Z	241.378° WSW	2026-09-21 22:21:56.106Z	309.771° NW	40.93°	2026-09-21 22:26:56.106Z	10.416° NNE
6 mins	2026-09-22 05:33:56.106Z	18.088° NNE	2026-09-22 05:36:56.106Z	54.694° ENE	19.319°	2026-09-22 05:39:56.106Z	88.163° E

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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: 19 hours ago

TLE from 19 hours ago

TLE epoch observation values (Epoch: 2026-09-20T12:21:52.154Z)

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: 19 hours ago