OPS 9441 (DSCS 2-11), 11144
Orbit data source: Space-Track
OPS 9441 (DSCS 2-11), 11144 is an American payload satellite in GEO that was launched on Thu, 14 Dec 1978 UTC via a TITAN IIIC launch vehicle from the Air Force Eastern Test Range (AFETR). 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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Identifier
Orbit
Country
USRelated business
Manufacturer
TRW
Mission
Non-operational spacecraft
Bus & Motor
DSCS II, AOCS
Mass
~610 kg wet, ~550 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: 2 days ago
TLE from 2 days ago
0 OPS 9441 (DSCS 2-11)
1 11144U 78113A 26171.37733707 -.00000110 00000-0 00000+0 0 9997
2 11144 10.7696 314.9511 0024900 202.5815 173.5334 0.94032164111585Epoch: 2026-06-20T09:03Z
TLE epoch observation values (Epoch: 2026-06-20T09:03:21.922Z)
Latitude
2.97865°
Longitude
-73.61953°
Altitude
37,739.587 km
Speed
3.002 km/s
True Right ascension
22h 03m 15s
True Declination
2° 58' 33"
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
23:26:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
37,742.377 km
Perigee altitude
37,523.202 km
Semi-major axis
44,010.927 km
Eccentricity
0.00249
Inclination
10.7696°
RAAN
314.9511°
Arg. of periapsis
202.5815°
True anomaly
173.56544°
Mean anomaly
173.5334°
Eccentric anomaly
173.54943°
Mean motion
0.23507 °/min
Orbital period
1,531.44 mins
BSTAR
0
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Other satellites on launch #113 in the year 1978 (1978-12-14 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 9441 (DSCS 2-11) 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. |
|---|---|---|---|---|---|---|---|
| 1440 mins | 2026-06-22 12:24:31.901Z | 206.932° SW | 2026-06-22 16:47:31.901Z | 218.007° SW | 37.496° | 2026-06-23 12:24:31.901Z | 231.168° WSW |
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11144 neighbors
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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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