OPS 0856, 2403
Orbit data source: Space-Track
OPS 0856, 2403 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Fri, 19 Aug 1966 UTC via an ATLAS SLV-3 AGENA D 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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2403 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
LMSC
Mission
Spacecraft
Bus & Motor
MIDAS, Unknown motor
Mass
~2,000 kg wet, ~1,000 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: 22 hours ago
TLE from 22 hours ago
0 OPS 0856
1 02403U 66077A 25340.24001047 -.00000095 00000-0 -48058-1 0 9999
2 02403 90.3400 274.1364 0007921 279.0170 80.9786 8.59837854509873Epoch: 2025-12-06T05:45Z
TLE epoch observation values (Epoch: 2025-12-06T05:45:36.904Z)
Latitude
0.00007°
Longitude
112.46204°
Altitude
3,687.273 km
Speed
6.294 km/s
True Right ascension
18h 16m 32s
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
01:22:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
3,692.12 km
Perigee altitude
3,676.179 km
Semi-major axis
10,062.286 km
Eccentricity
0.00079
Inclination
90.34°
RAAN
274.1364°
Arg. of periapsis
279.017°
True anomaly
81.06826°
Mean anomaly
80.9786°
Eccentric anomaly
81.02343°
Mean motion
2.1503 °/min
Orbital period
167.42 mins
BSTAR
-0.048058
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Other satellites on launch #77 in the year 1966 (1966-08-19 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 0856 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. |
|---|---|---|---|---|---|---|---|
| 24 mins | 2025-12-07 04:55:41.066Z | 20.251° NNE | 2025-12-07 05:07:41.066Z | 62.027° ENE | 18.343° | 2025-12-07 05:19:41.066Z | 103.698° ESE |
| 37 mins | 2025-12-07 07:40:41.066Z | 3.038° NNE | 2025-12-07 07:58:41.066Z | 93.349° ESE | 44.76° | 2025-12-07 08:17:41.066Z | 182.316° SSW |
| 26 mins | 2025-12-07 10:29:41.066Z | 346.9° N | 2025-12-07 10:41:41.066Z | 302.45° NW | 25.383° | 2025-12-07 10:55:41.066Z | 251.883° W |
| 32 mins | 2025-12-07 18:08:41.066Z | 128.533° SE | 2025-12-07 18:24:41.066Z | 64.683° ENE | 33.893° | 2025-12-07 18:40:41.066Z | 5.333° NNE |
| 35 mins | 2025-12-07 20:52:41.066Z | 197.87° SSW | 2025-12-07 21:09:41.066Z | 276.337° WNW | 40.767° | 2025-12-07 21:27:41.066Z | 353.703° N |
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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