COSMOS 1867 COOLANT, 39657
Orbit data source: Space-Track
COSMOS 1867 COOLANT, 39657 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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39657 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: 8 hours ago
TLE from 8 hours ago
0 COSMOS 1867 COOLANT
1 39657U 87060U 26155.11958655 .00000276 00000-0 13462-3 0 9994
2 39657 65.0085 45.6653 0015646 282.9169 77.0168 14.33921168634802Epoch: 2026-06-04T02:52Z
TLE epoch observation values (Epoch: 2026-06-04T02:52:12.277Z)
Latitude
-0.00013°
Longitude
110.04566°
Altitude
778.13 km
Speed
7.467 km/s
True Right ascension
03h 02m 39s
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
20:33:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
788.424 km
Perigee altitude
766.034 km
Semi-major axis
7,155.366 km
Eccentricity
0.00156
Inclination
65.0085°
RAAN
45.6653°
Arg. of periapsis
282.9169°
True anomaly
77.19158°
Mean anomaly
77.0168°
Eccentric anomaly
77.10418°
Mean motion
3.58588 °/min
Orbital period
100.39 mins
BSTAR
0.00013462
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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 18:03:23.619Z | 190.652° SSW | 2026-06-04 18:08:23.619Z | 96.638° ESE | 38.41° | 2026-06-04 18:12:23.619Z | 42.61° NE |
| 7 mins | 2026-06-04 19:48:23.619Z | 269.31° W | 2026-06-04 19:51:23.619Z | 310.549° NW | 22.375° | 2026-06-04 19:55:23.619Z | 4.6° NNE |
| 8 mins | 2026-06-05 02:51:23.619Z | 344.087° N | 2026-06-05 02:55:23.619Z | 69.317° E | 37.704° | 2026-06-05 02:59:23.619Z | 127.443° SE |
| 6 mins | 2026-06-05 04:35:23.619Z | 287.309° WNW | 2026-06-05 04:38:23.619Z | 244.607° WSW | 20.37° | 2026-06-05 04:41:23.619Z | 206.808° SW |
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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