COSMOS 444, 5547
Orbit data source: Space-Track
COSMOS 444, 5547 is a payload satellite owned by OKB-10 (CIS) in LEO that was launched on Wed, 13 Oct 1971 UTC via a KOSMOS 11K65M launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). 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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5547 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
OKB-10
Mission
Spacecraft
Bus & Motor
STRELA-1 11F625, Unknown motor
Mass
60 kg wet, 60 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 COSMOS 444
1 5547U 71086A 26171.44384175 -.00000000 00000-0 88209-4 0 9998
2 5547 74.0288 86.6216 0119709 4.6005 355.6123 12.62138258519438Epoch: 2026-06-20T10:39Z
TLE epoch observation values (Epoch: 2026-06-20T10:39:07.927Z)
Latitude
-0.00002°
Longitude
18.18018°
Altitude
1,323.513 km
Speed
7.238 km/s
True Right ascension
05h 46m 29s
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
23:07:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,505.206 km
Perigee altitude
1,318.697 km
Semi-major axis
7,790.089 km
Eccentricity
0.01197
Inclination
74.0288°
RAAN
86.6216°
Arg. of periapsis
4.6005°
True anomaly
355.50576°
Mean anomaly
355.6123°
Eccentric anomaly
355.55919°
Mean motion
3.15667 °/min
Orbital period
114.04 mins
BSTAR
0.000088209
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Other satellites on launch #86 in the year 1971 (1971-10-13 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.COSMOS 444 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-06-22 17:55:31.538Z | 142.033° SSE | 2026-06-22 18:00:31.538Z | 98.328° ESE | 23.97° | 2026-06-22 18:06:31.538Z | 45.197° ENE |
| 14 mins | 2026-06-22 19:50:31.538Z | 217.555° SW | 2026-06-22 19:56:31.538Z | 289.583° WNW | 40.993° | 2026-06-22 20:04:31.538Z | 12.623° NNE |
| 4 mins | 2026-06-22 21:53:31.538Z | 305.23° NW | 2026-06-22 21:55:31.538Z | 320.736° NNW | 12.589° | 2026-06-22 21:57:31.538Z | 335.762° NNW |
| 13 mins | 2026-06-23 03:54:31.538Z | 3.95° NNE | 2026-06-23 04:00:31.538Z | 56.039° ENE | 26.598° | 2026-06-23 04:07:31.538Z | 112.796° SE |
| 15 mins | 2026-06-23 05:50:31.538Z | 333.287° NNW | 2026-06-23 05:57:31.538Z | 258.732° W | 42.257° | 2026-06-23 06:05:31.538Z | 178.514° S |
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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