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OPS 5712 (P/L 153), 2874

Orbit data source: Space-Track

OPS 5712 (P/L 153), 2874 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/2874?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/2874?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

2874, 1967-053H

Orbit

LEO

Last TLE update

7 hours ago

Origin

National Reconnaissance Office (US)

Manufacturer

NRL

Mission

Operational Defense Sigint

Bus & Motor

NRL MULTI, Unknown motor

Mass

77 kg wet, 77 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

1.399 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 7 hours ago

0 OPS 5712 (P/L 153)
1  2874U 67053H   25192.18318786  .00000006  00000-0  42586-4 0  9998
2  2874  69.9739 126.1799 0010003 276.9488  83.0480 13.96754976959642

Epoch: 2025-07-11T04:23Z

TLE epoch observation values (Epoch: 2025-07-11T04:23:47.431Z)

Latitude

0.00001°

Longitude

130.8935°

Altitude

906.49 km

Speed

7.4 km/s

True Right ascension

08h 24m 43s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-35.84705°

Longitude

115.11028°

Altitude

912.855 km

Speed

7.397 km/s

Apparent Right ascension

09h 09m 53s

Apparent Declination

-41° 38' 02"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

23:23:16

Azimuth

104.85° ESE

Elevation

-64.847°

Doppler factor

Orbital elements

Apogee altitude

910.382 km

Perigee altitude

895.815 km

Semi-major axis

7,281.236 km

Eccentricity

0.001

Inclination

69.9739°

RAAN

126.1799°

Arg. of periapsis

276.9488°

True anomaly

Unknown

Mean anomaly

83.048°

Eccentric anomaly

Unknown

Mean motion

3.4933 °/min

Orbital period

103.05 mins

BSTAR

0.000042586

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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 152), 2873

SURCAL 150B, 2909

P/L 153 DEB, 19245

P/L 153 DEB, 39247 (Decayed)

OPS 5712 (P/L 153) 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.
9 mins	2025-07-11 19:58:17.389Z	156.837° SSE	2025-07-11 20:03:17.389Z	98.946° ESE	23.74°	2025-07-11 20:07:17.389Z	52.398° ENE
9 mins	2025-07-11 21:44:17.389Z	234.474° WSW	2025-07-11 21:48:17.389Z	300.039° NW	35.973°	2025-07-11 21:53:17.389Z	10.807° NNE
6 mins	2025-07-12 05:01:17.389Z	19.635° NNE	2025-07-12 05:03:17.389Z	42.519° NE	17.02°	2025-07-12 05:07:17.389Z	86.737° E
10 mins	2025-07-12 06:45:17.389Z	332.623° NNW	2025-07-12 06:50:17.389Z	210.311° SW	44.398°	2025-07-12 06:55:17.389Z	161.903° S

Authenticating...

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Check out OPS 5712 (P/L 153), 2874 on other resources

View OPS 5712 (P/L 153), 2874 on NASA - NSSDCA Website

View OPS 5712 (P/L 153), 2874 on Heavens-Above

View OPS 5712 (P/L 153), 2874 on Keep Track

View OPS 5712 (P/L 153), 2874 on Celestrak

View OPS 5712 (P/L 153), 2874 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.