Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

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: 16 hours ago

TLE from 16 hours ago

0 OPS 5712 (P/L 152)
1 02873U 67053G   25358.29196763  .00000089  00000-0  99556-4 0  9992
2 02873  69.9749  65.9537 0007196 357.7663  69.6132 13.98478247984068

Epoch: 2025-12-24T07:00Z

TLE epoch observation values (Epoch: 2025-12-24T07:00:26.003Z)

Latitude

60.30834°

Longitude

-92.73556°

Altitude

906.907 km

Speed

7.405 km/s

True Right ascension

07h 01m 44s

True Declination

60° 09' 47"

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

22:18:23

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

902.348 km

Perigee altitude

891.878 km

Semi-major axis

7,275.25 km

Eccentricity

0.00072

Inclination

69.9749°

RAAN

65.9537°

Arg. of periapsis

357.7663°

True anomaly

69.69052°

Mean anomaly

69.6132°

Eccentric anomaly

69.65186°

Mean motion

3.49761 °/min

Orbital period

102.93 mins

BSTAR

0.000099556

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

SURCAL 150B, 2909 (Decayed)

THOR AGENA D R/B, 2825

OPS 5712 (P/L 160), 2826

TIMATION 1, 2847

OPS 5712 (P/L 153), 2874

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 152) 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.
9 mins	2025-12-25 05:06:58.321Z	158.978° S	2025-12-25 05:10:58.321Z	110.931° ESE	26.213°	2025-12-25 05:15:58.321Z	47.844° ENE
9 mins	2025-12-25 06:52:58.321Z	242.447° WSW	2025-12-25 06:56:58.321Z	311.561° NW	32.812°	2025-12-25 07:01:58.321Z	10.598° NNE
6 mins	2025-12-25 14:08:58.321Z	18.708° NNE	2025-12-25 14:11:58.321Z	55.94° ENE	18.489°	2025-12-25 14:14:58.321Z	89.35° E
10 mins	2025-12-25 15:52:58.321Z	329.43° NNW	2025-12-25 15:57:58.321Z	215.455° SW	42.89°	2025-12-25 16:02:58.321Z	166.304° S

Items per page:

1–4 of 4 items

of 1 page

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 descending 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 descending order

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: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2025-12-24T07:00:26.003Z)

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: 16 hours ago