COSMOS 252, 3530
Orbit data source: Space-Track
COSMOS 252, 3530 is a payload satellite owned by PKO (CIS) in LEO that was launched on Fri, 01 Nov 1968 UTC via a TSIKLON-2A 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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3530 intel report (Beta)
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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: 11 hours ago
TLE from 11 hours ago
0 COSMOS 252
1 03530U 68097A 26140.49520492 -.00000060 00000-0 19506-4 0 9991
2 03530 62.3179 220.4414 1008640 49.6220 318.8499 12.88289181702380Epoch: 2026-05-20T11:53Z
TLE epoch observation values (Epoch: 2026-05-20T11:53:05.705Z)
Latitude
-0.00003°
Longitude
164.01367°
Altitude
764.116 km
Speed
7.733 km/s
True Right ascension
14h 41m 45s
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
07:47:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,082.484 km
Perigee altitude
532.116 km
Semi-major axis
7,685.437 km
Eccentricity
0.10086
Inclination
62.3179°
RAAN
220.4414°
Arg. of periapsis
49.622°
True anomaly
310.48041°
Mean anomaly
318.8499°
Eccentric anomaly
314.74535°
Mean motion
3.22137 °/min
Orbital period
111.75 mins
BSTAR
0.000019506
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Other satellites on launch #97 in the year 1968 (1968-11-01 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 252 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-05-21 06:38:47.989Z | 178.474° S | 2026-05-21 06:41:47.989Z | 116.388° SE | 28.021° | 2026-05-21 06:44:47.989Z | 57.35° ENE |
| 4 mins | 2026-05-21 08:35:47.989Z | 294.535° NW | 2026-05-21 08:36:47.989Z | 314.354° NW | 17.594° | 2026-05-21 08:39:47.989Z | 5.021° NNE |
| 10 mins | 2026-05-21 14:26:47.989Z | 353.852° N | 2026-05-21 14:30:47.989Z | 51.798° ENE | 27.862° | 2026-05-21 14:36:47.989Z | 105.771° ESE |
| 13 mins | 2026-05-21 16:21:47.989Z | 308.637° NW | 2026-05-21 16:25:47.989Z | 250.329° W | 39.599° | 2026-05-21 16:34:47.989Z | 164.131° S |
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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