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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
2176 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Create New Watchlist
Identifier
Orbit
Country
USRelated business
Manufacturer
APL
Mission
Spacecraft
Bus & Motor
TRANSIT 5, Unknown motor
Mass
51 kg wet, 51 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
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 2176U 66041A 26123.42819140 .00000209 00000-0 12379-3 0 9992
2 2176 90.2288 82.0768 0059445 250.5752 108.8999 14.04313525 61156Epoch: 2026-05-03T10:16Z
TLE epoch observation values (Epoch: 2026-05-03T10:16:35.736Z)
Latitude
-0.00008°
Longitude
66.59602°
Altitude
896.134 km
Speed
7.397 km/s
True Right ascension
05h 28m 18s
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
01:19:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
918.989 km
Perigee altitude
832.746 km
Semi-major axis
7,254.004 km
Eccentricity
0.00594
Inclination
90.2288°
RAAN
82.0768°
Arg. of periapsis
250.5752°
True anomaly
109.5428°
Mean anomaly
108.8999°
Eccentric anomaly
109.22151°
Mean motion
3.51299 °/min
Orbital period
102.48 mins
BSTAR
0.00012379
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #41 in the year 1966 (1966-05-19 UTC)
Did you know?
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
Loading observer location...
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 | 2026-05-03 20:39:48.502Z | 131.638° SE | 2026-05-03 20:43:48.502Z | 82.694° E | 26.28° | 2026-05-03 20:48:48.502Z | 20.644° NNE |
| 8 mins | 2026-05-03 22:22:48.502Z | 218.861° SW | 2026-05-03 22:25:48.502Z | 263.264° W | 30.689° | 2026-05-03 22:30:48.502Z | 336.214° NNW |
| 9 mins | 2026-05-04 09:06:48.502Z | 20.132° NNE | 2026-05-04 09:10:48.502Z | 90.441° ESE | 37.356° | 2026-05-04 09:15:48.502Z | 162.008° S |
| 7 mins | 2026-05-04 10:49:48.502Z | 321.775° NNW | 2026-05-04 10:52:48.502Z | 283.517° WNW | 20.128° | 2026-05-04 10:56:48.502Z | 238.394° WSW |
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 descending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|