OPS 0082 (TRANSIT 13), 2176
Orbit data source: Space-Track
OPS 0082 (TRANSIT 13), 2176 is a payload satellite owned by USN NAVAIR (US) in LEO that was launched on Thu, 19 May 1966 UTC via an SCOUT A 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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2176 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
APL
Mission
Defense Navigation
Bus & Motor
TRANSIT 5, Unknown motor
Mass
51 kg wet, 51 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Oct Cyl + 4 Pan + 1 Rod, Unknown HBR
Radar Cross Section
7.565 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 23 hours ago
TLE from 23 hours ago
0 OPS 0082 (TRANSIT 13)
1 02176U 66041A 25259.97889899 .00000289 00000-0 17372-3 0 9995
2 02176 90.2230 76.2866 0061656 253.3529 106.0877 14.04156431 29090Epoch: 2025-09-16T23:29Z
TLE epoch observation values (Epoch: 2025-09-16T23:29:36.872Z)
Latitude
-0.00008°
Longitude
87.72153°
Altitude
895.126 km
Speed
7.398 km/s
True Right ascension
05h 05m 08s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
15:00:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
921.137 km
Perigee altitude
831.68 km
Semi-major axis
7,254.546 km
Eccentricity
0.00617
Inclination
90.223°
RAAN
76.2866°
Arg. of periapsis
253.3529°
True anomaly
106.76509°
Mean anomaly
106.0877°
Eccentric anomaly
106.42654°
Mean motion
3.51259 °/min
Orbital period
102.49 mins
BSTAR
0.00017372
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Other satellites on launch #41 in the year 1966 (1966-05-19 UTC)
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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.OPS 0082 (TRANSIT 13) 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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-09-18 00:01:33.807Z | 7.584° NNE | 2025-09-18 00:06:33.807Z | 92.114° ESE | 43.709° | 2025-09-18 00:11:33.807Z | 175.56° S |
| 4 mins | 2025-09-18 01:46:33.807Z | 307.161° NW | 2025-09-18 01:48:33.807Z | 284.201° WNW | 14.308° | 2025-09-18 01:50:33.807Z | 262.378° W |
| 9 mins | 2025-09-18 11:32:33.807Z | 140.772° SSE | 2025-09-18 11:36:33.807Z | 71.945° E | 34.013° | 2025-09-18 11:41:33.807Z | 12.134° NNE |
| 8 mins | 2025-09-18 13:15:33.807Z | 234.343° WSW | 2025-09-18 13:18:33.807Z | 274.119° WNW | 23.426° | 2025-09-18 13:23:33.807Z | 332.192° NNW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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