COSMOS 917 DEB, 27887
Orbit data source: Space-Track
COSMOS 917 DEB, 27887 is space debris in HEO 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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27887 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, 0.8 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 1 week ago
TLE from 1 week ago
0 COSMOS 917 DEB
1 27887U 77047K 26163.51879987 -.00000504 00000-0 00000-0 0 9999
2 27887 63.2346 236.4961 6683755 10.5759 358.5493 1.97923105 27908Epoch: 2026-06-12T12:27Z
TLE epoch observation values (Epoch: 2026-06-12T12:27:04.308Z)
Latitude
-0.00012°
Longitude
148.89123°
Altitude
2,552.62 km
Speed
8.626 km/s
True Right ascension
15h 46m 01s
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
23:09:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
38,326.466 km
Perigee altitude
2,507.837 km
Semi-major axis
26,795.288 km
Eccentricity
0.66838
Inclination
63.2346°
RAAN
236.4961°
Arg. of periapsis
10.5759°
True anomaly
350.22619°
Mean anomaly
358.5493°
Eccentric anomaly
355.63399°
Mean motion
0.49483 °/min
Orbital period
727.52 mins
BSTAR
0
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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. |
|---|---|---|---|---|---|---|---|
| 316 mins | 2026-06-22 15:31:51.505Z | 324.75° NNW | 2026-06-22 16:31:51.505Z | 268.443° W | 42.812° | 2026-06-22 20:47:51.505Z | 243.038° WSW |
| 16 mins | 2026-06-23 03:12:51.505Z | 116.973° SE | 2026-06-23 03:18:51.505Z | 82.911° E | 16.414° | 2026-06-23 03:28:51.505Z | 46.646° ENE |
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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