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: 10 hours ago
TLE from 10 hours ago
0 OPS 0082 (TRANSIT 13)
1 02176U 66041A 25256.91463451 .00000226 00000-0 13421-3 0 9990
2 02176 90.2229 76.2113 0061725 263.3587 96.0566 14.04154763 28666Epoch: 2025-09-13T21:57Z
TLE epoch observation values (Epoch: 2025-09-13T21:57:04.421Z)
Latitude
-0.00005°
Longitude
113.80172°
Altitude
887.476 km
Speed
7.406 km/s
True Right ascension
05h 04m 50s
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
00:48:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
921.193 km
Perigee altitude
831.636 km
Semi-major axis
7,254.552 km
Eccentricity
0.00617
Inclination
90.2229°
RAAN
76.2113°
Arg. of periapsis
263.3587°
True anomaly
96.75938°
Mean anomaly
96.0566°
Eccentric anomaly
96.40805°
Mean motion
3.51259 °/min
Orbital period
102.49 mins
BSTAR
0.00013421
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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 | 2025-09-14 11:45:08.134Z | 144.326° SSE | 2025-09-14 11:50:08.134Z | 68.356° E | 32.934° | 2025-09-14 11:54:08.134Z | 16.469° NNE |
| 7 mins | 2025-09-14 13:29:08.134Z | 234.799° WSW | 2025-09-14 13:32:08.134Z | 276.652° WNW | 24.077° | 2025-09-14 13:36:08.134Z | 327.137° NNW |
| 10 mins | 2025-09-15 00:12:08.134Z | 9.23° NNE | 2025-09-15 00:16:08.134Z | 55.867° ENE | 42.636° | 2025-09-15 00:22:08.134Z | 175.258° S |
| 5 mins | 2025-09-15 01:56:08.134Z | 312.569° NW | 2025-09-15 01:58:08.134Z | 290.149° WNW | 14.939° | 2025-09-15 02:01:08.134Z | 257.364° 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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