COSMOS 1867 COOLANT, 39658
Orbit data source: Space-Track
COSMOS 1867 COOLANT, 39658 is space debris in LEO originally from a launch on Fri, 10 Jul 1987 UTC launched from the Tyuratam Missile And Space Complex (TTMTR). 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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39658 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
Arsenal
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown shape, 0.1 m
Radar Cross Section
Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 COSMOS 1867 COOLANT
1 39658U 87060V 26154.30931665 .00000404 00000-0 17748-3 0 9991
2 39658 65.0109 43.8903 0017721 283.4274 76.4836 14.34753215634809Epoch: 2026-06-03T07:25Z
TLE epoch observation values (Epoch: 2026-06-03T07:25:24.958Z)
Latitude
-0.00009°
Longitude
40.76648°
Altitude
774.921 km
Speed
7.469 km/s
True Right ascension
02h 55m 33s
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
19:33:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
787.136 km
Perigee altitude
761.786 km
Semi-major axis
7,152.598 km
Eccentricity
0.00177
Inclination
65.0109°
RAAN
43.8903°
Arg. of periapsis
283.4274°
True anomaly
76.68115°
Mean anomaly
76.4836°
Eccentric anomaly
76.58236°
Mean motion
3.58796 °/min
Orbital period
100.34 mins
BSTAR
0.00017748
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Other satellites on launch #60 in the year 1987 (1987-07-10 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 1867 COOLANT 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-04 17:00:19.924Z | 151.919° SSE | 2026-06-04 17:03:19.924Z | 114.866° SE | 19.373° | 2026-06-04 17:07:19.924Z | 64.07° ENE |
| 8 mins | 2026-06-04 18:43:19.924Z | 236.051° WSW | 2026-06-04 18:46:19.924Z | 293.018° NW | 38.711° | 2026-06-04 18:51:19.924Z | 21.636° NNE |
| 6 mins | 2026-06-05 01:47:19.924Z | 9.049° NNE | 2026-06-05 01:49:19.924Z | 38.039° NE | 21.544° | 2026-06-05 01:53:19.924Z | 92.417° ESE |
| 9 mins | 2026-06-05 03:29:19.924Z | 317.316° NNW | 2026-06-05 03:33:19.924Z | 246.98° WSW | 40.123° | 2026-06-05 03:38:19.924Z | 166.32° 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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