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: 7 hours ago
TLE from 7 hours ago
0 OPS 0082 (TRANSIT 13)
1 02176U 66041A 25259.19501735 .00000287 00000-0 17233-3 0 9993
2 02176 90.2230 76.2674 0061669 255.9162 103.5160 14.04156034 28985Epoch: 2025-09-16T04:40Z
TLE epoch observation values (Epoch: 2025-09-16T04:40:49.499Z)
Latitude
0°
Longitude
10.67235°
Altitude
893.194 km
Speed
7.4 km/s
True Right ascension
05h 05m 04s
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
04:21:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
921.148 km
Perigee altitude
831.672 km
Semi-major axis
7,254.547 km
Eccentricity
0.00617
Inclination
90.223°
RAAN
76.2674°
Arg. of periapsis
255.9162°
True anomaly
104.20185°
Mean anomaly
103.516°
Eccentric anomaly
103.85905°
Mean motion
3.51259 °/min
Orbital period
102.49 mins
BSTAR
0.00017233
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-09-16 11:38:56.326Z | 142.192° SSE | 2025-09-16 11:42:56.326Z | 80.961° E | 33.739° | 2025-09-16 11:47:56.326Z | 13.764° NNE |
| 8 mins | 2025-09-16 13:21:56.326Z | 230.831° WSW | 2025-09-16 13:25:56.326Z | 285.037° WNW | 23.552° | 2025-09-16 13:29:56.326Z | 330.39° NNW |
| 9 mins | 2025-09-17 00:05:56.326Z | 9.893° NNE | 2025-09-17 00:09:56.326Z | 93.481° ESE | 43.606° | 2025-09-17 00:14:56.326Z | 175.222° S |
| 4 mins | 2025-09-17 01:49:56.326Z | 307.054° NW | 2025-09-17 01:51:56.326Z | 283.991° WNW | 14.486° | 2025-09-17 01:53:56.326Z | 262.11° W |
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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