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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: 8 hours ago

TLE from 8 hours ago

0 OPS 5712 (P/L 152)
1  2873U 67053G   25344.71870888  .00000187  00000-0  16802-3 0  9992
2  2873  69.9745  95.1255 0006289  17.0364 133.2432 13.98474168982160

Epoch: 2025-12-10T17:14Z

TLE epoch observation values (Epoch: 2025-12-10T17:14:56.447Z)

Latitude

27.76514°

Longitude

-74.29863°

Altitude

905.03 km

Speed

7.401 km/s

True Right ascension

17h 36m 29s

True Declination

27° 37' 35"

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

23:10:35

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

901.702 km

Perigee altitude

892.552 km

Semi-major axis

7,275.264 km

Eccentricity

0.00063

Inclination

69.9745°

RAAN

95.1255°

Arg. of periapsis

17.0364°

True anomaly

133.29567°

Mean anomaly

133.2432°

Eccentric anomaly

133.26944°

Mean motion

3.4976 °/min

Orbital period

102.93 mins

BSTAR

0.00016802

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

GGSE 5, 2834

TIMATION 1, 2847

OPS 5712 (P/L 160), 2826

THOR AGENA D R/B, 2825

P/L 153 DEB, 39247 (Decayed)

OPS 5712 (P/L 153), 2874

SURCAL 150B, 2909 (Decayed)

P/L 153 DEB, 19245

SURCAL 159, 2872

GGSE 4, 2828

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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	2025-12-11 08:06:04.952Z	160.576° S	2025-12-11 08:10:04.952Z	107.799° ESE	28.266°	2025-12-11 08:15:04.952Z	45.185° ENE
8 mins	2025-12-11 09:52:04.952Z	247.05° WSW	2025-12-11 09:55:04.952Z	291.851° WNW	30.972°	2025-12-11 10:00:04.952Z	5.206° NNE
6 mins	2025-12-11 17:08:04.952Z	19.688° NNE	2025-12-11 17:10:04.952Z	44.859° NE	19.756°	2025-12-11 17:14:04.952Z	92.717° ESE
10 mins	2025-12-11 18:52:04.952Z	326.721° NNW	2025-12-11 18:56:04.952Z	269.515° W	41.938°	2025-12-11 19:02:04.952Z	169.239° 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: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2025-12-10T17:14:56.447Z)

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: 8 hours ago