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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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<iframe src="https://www.satcat.com/sats-embedded/2873?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/2873?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

2873, 1967-053G

Orbit

LEO

Last TLE update

4 hours ago

Origin

National Reconnaissance Office (US)

Manufacturer

NRL

Mission

Defense Sigint

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

Ell + 1 Ant, 18 m

Radar Cross Section

1.267 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 4 hours ago

0 OPS 5712 (P/L 152)
1  2873U 67053G   25181.90969311  .00000032  00000-0  60104-4 0  9996
2  2873  69.9748  85.0298 0010156 256.2390 181.0672 13.98420204960055

Epoch: 2025-06-30T21:49Z

TLE epoch observation values (Epoch: 2025-06-30T21:49:57.484Z)

Latitude

66.53183°

Longitude

-105.04608°

Altitude

917.554 km

Speed

7.396 km/s

True Right ascension

09h 26m 37s

True Declination

66° 24' 31"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-3.93921°

Longitude

19.40522°

Altitude

899.886 km

Speed

7.403 km/s

Apparent Right ascension

20h 26m 25s

Apparent Declination

-33° 42' 14"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

13:23:33

Azimuth

109.335° ESE

Elevation

-31.931°

Doppler factor

Orbital elements

Apogee altitude

904.703 km

Perigee altitude

889.925 km

Semi-major axis

7,275.451 km

Eccentricity

0.00102

Inclination

69.9748°

RAAN

85.0298°

Arg. of periapsis

256.239°

True anomaly

Unknown

Mean anomaly

181.0672°

Eccentric anomaly

Unknown

Mean motion

3.49746 °/min

Orbital period

102.93 mins

BSTAR

0.000060104

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

OPS 5712 (P/L 160), 2826

THOR AGENA D R/B, 2825

OPS 5712 (P/L 153), 2874

SURCAL 150B, 2909

P/L 153 DEB, 19245

P/L 153 DEB, 39247 (Decayed)

OPS 5712 (P/L 152) Visibility forecast

Observer location: undefined°, undefined°

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.
7 mins	2025-07-01 03:09:31.950Z	8.668° NNE	2025-07-01 03:13:31.950Z	53.57° ENE	17.724°	2025-07-01 03:16:31.950Z	86.768° E
10 mins	2025-07-01 04:54:31.950Z	331.205° NNW	2025-07-01 04:59:31.950Z	220.347° SW	43.924°	2025-07-01 05:04:31.950Z	164.158° S
9 mins	2025-07-01 18:11:31.950Z	161.765° S	2025-07-01 18:15:31.950Z	99.251° ESE	30.926°	2025-07-01 18:20:31.950Z	41.323° NE
9 mins	2025-07-01 19:56:31.950Z	246.276° WSW	2025-07-01 20:00:31.950Z	300.757° NW	29.202°	2025-07-01 20:05:31.950Z	5.382° NNE

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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.