COSMOS 1867 COOLANT, 39644
Orbit data source: Space-Track
COSMOS 1867 COOLANT, 39644 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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39644 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: 11 hours ago
TLE from 11 hours ago
0 COSMOS 1867 COOLANT
1 39644U 87060M 26155.11652055 .00000358 00000-0 16110-3 0 9999
2 39644 65.0101 37.8483 0017892 280.7802 79.1270 14.34822793635933Epoch: 2026-06-04T02:47Z
TLE epoch observation values (Epoch: 2026-06-04T02:47:47.375Z)
Latitude
-0.00001°
Longitude
103.3355°
Altitude
775.239 km
Speed
7.468 km/s
True Right ascension
02h 31m 23s
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
23:59:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
787.027 km
Perigee altitude
761.433 km
Semi-major axis
7,152.367 km
Eccentricity
0.00179
Inclination
65.0101°
RAAN
37.8483°
Arg. of periapsis
280.7802°
True anomaly
79.32843°
Mean anomaly
79.127°
Eccentric anomaly
79.22771°
Mean motion
3.58813 °/min
Orbital period
100.33 mins
BSTAR
0.0001611
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-06-04 17:59:53.642Z | 210.28° SW | 2026-06-04 18:03:53.642Z | 29.429° NE | 44.72° | 2026-06-04 18:08:53.642Z | 31.636° NE |
| 5 mins | 2026-06-04 19:45:53.642Z | 296.898° NW | 2026-06-04 19:47:53.642Z | 322.818° NNW | 15.912° | 2026-06-04 19:50:53.642Z | 357.853° N |
| 4 mins | 2026-06-05 01:04:53.642Z | 20.124° NNE | 2026-06-05 01:05:53.642Z | 32.653° NE | 15.011° | 2026-06-05 01:08:53.642Z | 69.252° E |
| 8 mins | 2026-06-05 02:46:53.642Z | 331.008° NNW | 2026-06-05 02:50:53.642Z | 121.752° SE | 44.185° | 2026-06-05 02:54:53.642Z | 146.704° SSE |
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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