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

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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   26041.00974754  .00000894  00000-0  16831-3 0  9992
2  2125  98.0182 213.1329 0145586 283.7972  74.7064 14.60556807140980

Epoch: 2026-02-10T00:14Z

TLE epoch observation values (Epoch: 2026-02-10T00:14:02.187Z)

Latitude

-0.00005°

Longitude

69.52743°

Altitude

668.618 km

Speed

7.536 km/s

True Right ascension

14h 12m 31s

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

10:52:52

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

791.328 km

Perigee altitude

585.568 km

Semi-major axis

7,066.585 km

Eccentricity

0.01456

Inclination

98.0182°

RAAN

213.1329°

Arg. of periapsis

283.7972°

True anomaly

76.32316°

Mean anomaly

74.7064°

Eccentric anomaly

75.51403°

Mean motion

3.65367 °/min

Orbital period

98.53 mins

BSTAR

0.00016831

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

THOR ALTAIR DEB, 2178 (Decayed)

THOR ALTAIR DEB, 2179 (Decayed)

THOR ALTAIR R/B, 2129 (Decayed)

THOR ALTAIR DEB, 2162 (Decayed)

THOR ALTAIR DEB, 2177

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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.
6 mins	2026-02-10 10:15:35.844Z	102.948° ESE	2026-02-10 10:18:35.844Z	58.505° ENE	19.358°	2026-02-10 10:21:35.844Z	20.194° NNE
7 mins	2026-02-10 11:52:35.844Z	199.918° SSW	2026-02-10 11:55:35.844Z	269.845° W	35.145°	2026-02-10 11:59:35.844Z	332.139° NNW
8 mins	2026-02-10 23:50:35.844Z	27.9° NE	2026-02-10 23:54:35.844Z	108.737° ESE	37.837°	2026-02-10 23:58:35.844Z	173.053° S
5 mins	2026-02-11 01:29:35.844Z	322.763° NNW	2026-02-11 01:31:35.844Z	293.537° NW	18.63°	2026-02-11 01:34:35.844Z	254.574° W

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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: 2026-02-10T00:14:02.187Z)

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