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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 (58 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: 10 hours ago

TLE from 10 hours ago

0 OPS 5712 (P/L 152)
1  2873U 67053G   25298.44628919  .00000158  00000-0  14795-3 0  9993
2  2873  69.9745 194.5748 0004803 104.5156  68.8575 13.98454780975691

Epoch: 2025-10-25T10:42Z

TLE epoch observation values (Epoch: 2025-10-25T10:42:39.386Z)

Latitude

6.1094°

Longitude

177.60994°

Altitude

899.62 km

Speed

7.404 km/s

True Right ascension

00h 49m 24s

True Declination

6° 04' 26"

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

15:38:39

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

900.689 km

Perigee altitude

893.7 km

Semi-major axis

7,275.331 km

Eccentricity

0.00048

Inclination

69.9745°

RAAN

194.5748°

Arg. of periapsis

104.5156°

True anomaly

68.90884°

Mean anomaly

68.8575°

Eccentric anomaly

68.88317°

Mean motion

3.49755 °/min

Orbital period

102.93 mins

BSTAR

0.00014795

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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)

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.
6 mins	2025-10-25 20:23:14.352Z	276.465° WNW	2025-10-25 20:26:14.352Z	310.709° NW	17.392°	2025-10-25 20:29:14.352Z	345.335° N
9 mins	2025-10-26 03:37:14.352Z	355.627° N	2025-10-26 03:41:14.352Z	61.769° ENE	34.726°	2025-10-26 03:46:14.352Z	128.965° SE
7 mins	2025-10-26 05:23:14.352Z	299.268° NW	2025-10-26 05:26:14.352Z	257.884° W	24.657°	2025-10-26 05:30:14.352Z	206.799° SW
4 mins	2025-10-26 16:56:14.352Z	115.319° SE	2025-10-26 16:58:14.352Z	93.798° ESE	13.011°	2025-10-26 17:00:14.352Z	73.317° E
10 mins	2025-10-26 18:38:14.352Z	207.828° SW	2025-10-26 18:42:14.352Z	256.431° W	44.538°	2025-10-26 18:48:14.352Z	22.818° NE

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: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2025-10-25T10:42:39.386Z)

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: 10 hours ago