COSMOS 917 DEB, 27884
Orbit data source: Space-Track
COSMOS 917 DEB, 27884 is space debris originally from a launch on Thu, 16 Jun 1977 UTC launched from the Plesetsk Missile And Space Complex (PKMTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.
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27884 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
Unknown
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown shape, 0.6 m
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 917 DEB
1 27884U 77047G 26171.46386412 -.00000202 00000-0 16614-2 0 9990
2 27884 59.9437 209.2621 7442409 67.2827 351.8591 2.01840277173949Epoch: 2026-06-20T11:07Z
TLE epoch observation values (Epoch: 2026-06-20T11:07:57.859Z)
Latitude
-0.00009°
Longitude
133.59851°
Altitude
2,761.136 km
Speed
8.495 km/s
True Right ascension
13h 57m 04s
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
23:09:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
39,752.77 km
Perigee altitude
386.066 km
Semi-major axis
26,447.555 km
Eccentricity
0.74424
Inclination
59.9437°
RAAN
209.2621°
Arg. of periapsis
67.2827°
True anomaly
292.96062°
Mean anomaly
351.8591°
Eccentric anomaly
331.53517°
Mean motion
0.50462 °/min
Orbital period
713.41 mins
BSTAR
0.0016614
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Other satellites on launch #47 in the year 1977 (1977-06-16 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 917 DEB 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. |
|---|---|---|---|---|---|---|---|
| 30 mins | 2026-06-23 10:51:54.743Z | 349.273° N | 2026-06-23 10:56:54.743Z | 57.381° ENE | 29.502° | 2026-06-23 11:21:54.743Z | 114.62° SE |
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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