COSMOS 1867 COOLANT, 39661
Orbit data source: Space-Track
COSMOS 1867 COOLANT, 39661 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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39661 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: 7 hours ago
TLE from 7 hours ago
0 COSMOS 1867 COOLANT
1 39661U 87060Y 26155.11446494 .00000455 00000-0 19584-3 0 9992
2 39661 65.0092 42.4043 0017660 282.4124 77.4985 14.34674672634826Epoch: 2026-06-04T02:44Z
TLE epoch observation values (Epoch: 2026-06-04T02:44:49.770Z)
Latitude
-0.00008°
Longitude
108.63351°
Altitude
775.41 km
Speed
7.468 km/s
True Right ascension
02h 49m 37s
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
19:36:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
787.354 km
Perigee altitude
762.09 km
Semi-major axis
7,152.859 km
Eccentricity
0.00177
Inclination
65.0092°
RAAN
42.4043°
Arg. of periapsis
282.4124°
True anomaly
77.69616°
Mean anomaly
77.4985°
Eccentric anomaly
77.59732°
Mean motion
3.58776 °/min
Orbital period
100.34 mins
BSTAR
0.00019584
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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 17:55:44.453Z | 194.219° SSW | 2026-06-04 17:59:44.453Z | 142.222° SSE | 40.192° | 2026-06-04 18:04:44.453Z | 40.275° NE |
| 6 mins | 2026-06-04 19:41:44.453Z | 283.157° WNW | 2026-06-04 19:43:44.453Z | 312.591° NW | 20.948° | 2026-06-04 19:47:44.453Z | 4.358° NNE |
| 8 mins | 2026-06-05 02:43:44.453Z | 343.548° N | 2026-06-05 02:46:44.453Z | 40.054° NE | 39.55° | 2026-06-05 02:51:44.453Z | 131.958° SE |
| 5 mins | 2026-06-05 04:27:44.453Z | 281.498° WNW | 2026-06-05 04:29:44.453Z | 254.253° W | 18.745° | 2026-06-05 04:32:44.453Z | 214.643° 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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