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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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
TSKBM/KB1
Mission
Defense Weapon
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
Cyl, 2.0 m
Radar Cross Section
7.854 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 COSMOS 252
1 03530U 68097A 25259.97461781 .00000017 00000-0 49491-4 0 9996
2 03530 62.3222 103.6513 0991969 359.4981 0.4930 12.88176070670752Epoch: 2025-09-16T23:23Z
TLE epoch observation values (Epoch: 2025-09-16T23:23:26.978Z)
Latitude
-0.0001°
Longitude
116.63162°
Altitude
547.882 km
Speed
7.956 km/s
True Right ascension
06h 54m 36s
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
19:55:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,070.167 km
Perigee altitude
545.334 km
Semi-major axis
7,685.887 km
Eccentricity
0.0992
Inclination
62.3222°
RAAN
103.6513°
Arg. of periapsis
359.4981°
True anomaly
0.60456°
Mean anomaly
0.493°
Eccentric anomaly
0.54729°
Mean motion
3.22108 °/min
Orbital period
111.76 mins
BSTAR
0.000049491
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-09-18 14:38:29.490Z | 171.297° S | 2025-09-18 14:41:29.490Z | 117.367° SE | 28.373° | 2025-09-18 14:46:29.490Z | 51.091° ENE |
| 8 mins | 2025-09-18 16:34:29.490Z | 273.666° WNW | 2025-09-18 16:37:29.490Z | 330.054° NNW | 27.784° | 2025-09-18 16:42:29.490Z | 22.602° NE |
| 4 mins | 2025-09-18 18:34:29.490Z | 343.026° N | 2025-09-18 18:35:29.490Z | 352.375° N | 12.633° | 2025-09-18 18:38:29.490Z | 16.419° NNE |
| 9 mins | 2025-09-18 20:31:29.490Z | 353.164° N | 2025-09-18 20:34:29.490Z | 17.666° NNE | 16.018° | 2025-09-18 20:40:29.490Z | 57.075° ENE |
| 17 mins | 2025-09-18 22:26:29.490Z | 340.4° N | 2025-09-18 22:33:29.490Z | 48.42° ENE | 33.877° | 2025-09-18 22:43:29.490Z | 111.174° ESE |
| 20 mins | 2025-09-19 00:21:29.490Z | 318.053° NNW | 2025-09-19 00:29:29.490Z | 246.261° WSW | 42.923° | 2025-09-19 00:41:29.490Z | 160.785° S |
| 11 mins | 2025-09-19 02:20:29.490Z | 280.801° WNW | 2025-09-19 02:24:29.490Z | 256.654° W | 16.85° | 2025-09-19 02:31:29.490Z | 219.753° SW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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