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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, 9.0 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   26230.54205059  .00000025  00000-0  54499-4 0  9996
2 02873  69.9729 276.0012 0005240  62.3490  46.2819 13.98538208 17226

Epoch: 2026-08-18T13:00Z

TLE epoch observation values (Epoch: 2026-08-18T13:00:33.170Z)

Latitude

62.98891°

Longitude

-111.38553°

Altitude

906.439 km

Speed

7.406 km/s

True Right ascension

03h 22m 38s

True Declination

62° 51' 08"

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

23:20:31

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

900.717 km

Perigee altitude

893.093 km

Semi-major axis

7,275.042 km

Eccentricity

0.00052

Inclination

69.9729°

RAAN

276.0012°

Arg. of periapsis

62.349°

True anomaly

46.32532°

Mean anomaly

46.2819°

Eccentric anomaly

46.30361°

Mean motion

3.49776 °/min

Orbital period

102.92 mins

BSTAR

0.000054499

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

TIMATION 1, 2847

OPS 5712 (P/L 160), 2826

OPS 5712 (P/L 153), 2874

THOR AGENA D R/B, 2825

SURCAL 150B, 2909 (Decayed)

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.
9 mins	2026-08-19 13:04:09.446Z	357.428° N	2026-08-19 13:09:09.446Z	62.351° ENE	26.596°	2026-08-19 13:13:09.446Z	111.339° ESE
9 mins	2026-08-19 14:50:09.446Z	315.504° NNW	2026-08-19 14:54:09.446Z	256.788° W	33.691°	2026-08-19 14:59:09.446Z	186.928° SSW
9 mins	2026-08-20 04:06:09.446Z	188.595° SSW	2026-08-20 04:10:09.446Z	116.767° SE	42.621°	2026-08-20 04:15:09.446Z	31.383° NE
7 mins	2026-08-20 05:53:09.446Z	272.806° WNW	2026-08-20 05:56:09.446Z	309.121° NW	19.375°	2026-08-20 06:00:09.446Z	354.44° N

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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: 2026-08-18T13:00:33.170Z)

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