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OPS 0340, 2125

Orbit data source: Space-Track

OPS 0340, 2125 is a payload satellite owned by USAF SSD (US) in SSO that was launched on Thu, 31 Mar 1966 UTC via a THOR BURNER 1 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 URL

https://www.satcat.com/sats-embedded/2125?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

2125, 1966-026A

Orbit

SSO

Country

Related business

United States Space Force (US)

Manufacturer

RCA/East Windsor

Mission

Spacecraft

Bus & Motor

P35?, Unknown motor

Mass

72 kg wet, 72 kg dry

Launch date (UTC)

1966-03-31 (60 years ago)

Launch vehicle

THOR BURNER 1

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: 8 hours ago

TLE from 8 hours ago

0 OPS 0340
1  2125U 66026A   26036.96779417  .00001006  00000-0  18807-3 0  9991
2  2125  98.0176 209.2175 0145712 296.5877  62.0455 14.60549354140393

Epoch: 2026-02-05T23:13Z

TLE epoch observation values (Epoch: 2026-02-05T23:13:37.416Z)

Latitude

0.00004°

Longitude

84.69917°

Altitude

647.278 km

Speed

7.559 km/s

True Right ascension

13h 56m 52s

True Declination

0° 00' 00"

Sunlit

Object was in daylight 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

09:25:28

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

791.441 km

Perigee altitude

585.503 km

Semi-major axis

7,066.609 km

Eccentricity

0.01457

Inclination

98.0176°

RAAN

209.2175°

Arg. of periapsis

296.5877°

True anomaly

63.53294°

Mean anomaly

62.0455°

Eccentric anomaly

62.78797°

Mean motion

3.65365 °/min

Orbital period

98.53 mins

BSTAR

0.00018807

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Other satellites on launch #26 in the year 1966 (1966-03-31 UTC)

THOR ALTAIR DEB, 2177

THOR ALTAIR DEB, 2162 (Decayed)

THOR ALTAIR DEB, 2179 (Decayed)

THOR ALTAIR DEB, 2178 (Decayed)

THOR ALTAIR R/B, 2129 (Decayed)

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

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OPS 0340 Visibility forecast

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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.
8 mins	2026-02-06 10:52:10.092Z	137.648° SSE	2026-02-06 10:55:10.092Z	88.183° E	34.304°	2026-02-06 11:00:10.092Z	0.784° NNE
5 mins	2026-02-06 12:31:10.092Z	235.057° WSW	2026-02-06 12:33:10.092Z	264.507° W	17.752°	2026-02-06 12:36:10.092Z	306.729° NW
8 mins	2026-02-07 00:28:10.092Z	5.609° NNE	2026-02-07 00:32:10.092Z	276.995° WNW	43.126°	2026-02-07 00:36:10.092Z	204.687° SW

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Co-orbital & Co-planar RSOs

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

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

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Check out OPS 0340, 2125 on other resources

View OPS 0340, 2125 on NASA - NSSDCA Website

View OPS 0340, 2125 on Heavens-Above

View OPS 0340, 2125 on Keep Track

View OPS 0340, 2125 on Celestrak

View OPS 0340, 2125 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 0340, 2125

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-02-05T23:13:37.416Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #26 in the year 1966 (1966-03-31 UTC)

OPS 0340 Visibility forecast

Co-orbital & Co-planar RSOs

Check out OPS 0340, 2125 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago