Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

2874, 1967-053H

Orbit

LEO

Country

Related business

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, 9.0 m

Radar Cross Section

1.399 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 OPS 5712 (P/L 153)
1 02874U 67053H   25260.64495486  .00000030  00000-0  60206-4 0  9994
2 02874  69.9763 339.4545 0008228 210.4981 149.5648 13.96767088968725

Epoch: 2025-09-17T15:28Z

TLE epoch observation values (Epoch: 2025-09-17T15:28:44.099Z)

Latitude

0.00001°

Longitude

110.45282°

Altitude

912.492 km

Speed

7.393 km/s

True Right ascension

22h 37m 49s

True Declination

0° 00' 00"

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

23:21:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

909.048 km

Perigee altitude

897.066 km

Semi-major axis

7,281.194 km

Eccentricity

0.00082

Inclination

69.9763°

RAAN

339.4545°

Arg. of periapsis

210.4981°

True anomaly

149.61252°

Mean anomaly

149.5648°

Eccentric anomaly

149.58866°

Mean motion

3.49333 °/min

Orbital period

103.05 mins

BSTAR

0.000060206

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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)

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

OPS 5712 (P/L 153) Visibility forecast

Loading observer location...
Set Observer location

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.
11 mins	2025-09-18 07:04:08.989Z	213.518° SW	2025-09-18 07:09:08.989Z	270.943° WNW	42.68°	2025-09-18 07:15:08.989Z	19.543° NNE
10 mins	2025-09-18 16:07:08.989Z	343.668° N	2025-09-18 16:11:08.989Z	52.816° ENE	42.947°	2025-09-18 16:17:08.989Z	147.153° SSE
5 mins	2025-09-18 17:54:08.989Z	284.127° WNW	2025-09-18 17:56:08.989Z	261.071° W	16.103°	2025-09-18 17:59:08.989Z	228.109° WSW
7 mins	2025-09-19 05:25:08.989Z	143.369° SSE	2025-09-19 05:28:08.989Z	107.298° ESE	21.542°	2025-09-19 05:32:08.989Z	58.33° ENE

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in ascending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

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.

OPS 5712 (P/L 153), 2874

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2025-09-17T15:28:44.099Z)

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 153) Visibility forecast

Co-orbital & Co-planar RSOs

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

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago