COSMOS 1867 COOLANT, 39666
Orbit data source: Space-Track
COSMOS 1867 COOLANT, 39666 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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39666 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: 3 days ago
TLE from 3 days ago
0 COSMOS 1867 COOLANT
1 39666U 87060AD 26152.10838673 .00000327 00000-0 15204-3 0 9990
2 39666 65.0108 51.0198 0015827 283.9721 75.9605 14.34264725634408Epoch: 2026-06-01T02:36Z
TLE epoch observation values (Epoch: 2026-06-01T02:36:04.613Z)
Latitude
0.00001°
Longitude
122.40014°
Altitude
776.756 km
Speed
7.468 km/s
True Right ascension
03h 24m 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
19:32:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
787.409 km
Perigee altitude
764.763 km
Semi-major axis
7,154.223 km
Eccentricity
0.00158
Inclination
65.0108°
RAAN
51.0198°
Arg. of periapsis
283.9721°
True anomaly
76.13653°
Mean anomaly
75.9605°
Eccentric anomaly
76.04851°
Mean motion
3.58674 °/min
Orbital period
100.37 mins
BSTAR
0.00015204
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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 17:44:47.968Z | 184.192° SSW | 2026-06-04 17:48:47.968Z | 119.935° SE | 36.269° | 2026-06-04 17:53:47.968Z | 43.694° NE |
| 7 mins | 2026-06-04 19:29:47.968Z | 271.124° WNW | 2026-06-04 19:32:47.968Z | 319.268° NNW | 24.249° | 2026-06-04 19:36:47.968Z | 9.591° NNE |
| 9 mins | 2026-06-05 02:31:47.968Z | 344.521° N | 2026-06-05 02:35:47.968Z | 52.433° ENE | 35.596° | 2026-06-05 02:40:47.968Z | 125.369° SE |
| 7 mins | 2026-06-05 04:15:47.968Z | 293.746° NW | 2026-06-05 04:18:47.968Z | 251.199° W | 22.981° | 2026-06-05 04:22:47.968Z | 198.624° SSW |
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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