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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

8 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 8 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

-52.27002°

Longitude

169.67382°

Altitude

913.912 km

Speed

7.397 km/s

Apparent Right ascension

04h 37m 07s

Apparent Declination

-46° 59' 50"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

17:24:10

Azimuth

133.618° SE

Elevation

-78.929°

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.
10 mins	2025-07-01 18:10:29.133Z	168.098° S	2025-07-01 18:15:29.133Z	100.307° ESE	30.964°	2025-07-01 18:20:29.133Z	41.521° NE
9 mins	2025-07-01 19:56:29.133Z	245.959° WSW	2025-07-01 20:00:29.133Z	299.786° NW	29.183°	2025-07-01 20:05:29.133Z	5.122° NNE
7 mins	2025-07-02 03:12:29.133Z	10.851° NNE	2025-07-02 03:15:29.133Z	48.285° ENE	21.668°	2025-07-02 03:19:29.133Z	97.376° ESE
9 mins	2025-07-02 04:57:29.133Z	322.683° NNW	2025-07-02 05:01:29.133Z	253.419° W	40.255°	2025-07-02 05:06:29.133Z	175.161° S

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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.