COSMOS 397, 4964
Orbit data source: Space-Track
COSMOS 397, 4964 is a payload satellite owned by PKO (CIS) in LEO that was launched on Thu, 25 Feb 1971 UTC via a TSIKLON-2 launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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4964 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
TSKBM/KB1
Mission
Spacecraft
Bus & Motor
IS, Unknown motor
Mass
1,400 kg wet, ~1,400 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 COSMOS 397
1 04964U 71015A 25349.86767349 .00000029 00000-0 50065-4 0 9991
2 04964 65.7215 144.2061 1032142 309.3062 42.0724 12.74899891644882Epoch: 2025-12-15T20:49Z
TLE epoch observation values (Epoch: 2025-12-15T20:49:26.989Z)
Latitude
0.00003°
Longitude
107.08358°
Altitude
812.518 km
Speed
7.708 km/s
True Right ascension
09h 36m 49s
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
16:55:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,159.374 km
Perigee altitude
561.874 km
Semi-major axis
7,738.761 km
Eccentricity
0.10321
Inclination
65.7215°
RAAN
144.2061°
Arg. of periapsis
309.3062°
True anomaly
50.79876°
Mean anomaly
42.0724°
Eccentric anomaly
46.35151°
Mean motion
3.18813 °/min
Orbital period
112.92 mins
BSTAR
0.000050065
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Other satellites on launch #15 in the year 1971 (1971-02-25 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 397 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. |
|---|---|---|---|---|---|---|---|
| 22 mins | 2025-12-16 19:56:47.094Z | 336.297° NNW | 2025-12-16 20:07:47.094Z | 51.548° ENE | 38.305° | 2025-12-16 20:18:47.094Z | 121.606° SE |
| 21 mins | 2025-12-16 21:54:47.094Z | 320.965° NNW | 2025-12-16 22:04:47.094Z | 253.124° W | 40.757° | 2025-12-16 22:15:47.094Z | 175.323° S |
| 8 mins | 2025-12-16 23:55:47.094Z | 286.51° WNW | 2025-12-16 23:59:47.094Z | 266.72° W | 13.447° | 2025-12-17 00:03:47.094Z | 246.657° WSW |
| 11 mins | 2025-12-17 10:35:47.094Z | 146.035° SSE | 2025-12-17 10:39:47.094Z | 104.375° ESE | 24.373° | 2025-12-17 10:46:47.094Z | 50.064° ENE |
| 16 mins | 2025-12-17 12:29:47.094Z | 227.396° WSW | 2025-12-17 12:35:47.094Z | 311.883° NW | 42.274° | 2025-12-17 12:45:47.094Z | 27.94° NE |
| 13 mins | 2025-12-17 14:29:47.094Z | 294.354° NW | 2025-12-17 14:34:47.094Z | 333.623° NNW | 21.766° | 2025-12-17 14:42:47.094Z | 21.686° NNE |
| 12 mins | 2025-12-17 16:31:47.094Z | 335.105° NNW | 2025-12-17 16:36:47.094Z | 4.537° NNE | 16.539° | 2025-12-17 16:43:47.094Z | 40.526° NE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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