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
CYL + TRUSS, 2.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 COSMOS 252
1 03530U 68097A 26252.49803153 -.00000042 00000-0 25633-4 0 9991
2 03530 62.3179 305.0836 1013357 72.3202 298.5710 12.88324357716810Epoch: 2026-09-09T11:57Z
TLE epoch observation values (Epoch: 2026-09-09T11:57:09.924Z)
Latitude
0.00007°
Longitude
137.24305°
Altitude
1,002.491 km
Speed
7.496 km/s
True Right ascension
20h 20m 20s
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
15:54:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,085.955 km
Perigee altitude
528.365 km
Semi-major axis
7,685.297 km
Eccentricity
0.10134
Inclination
62.3179°
RAAN
305.0836°
Arg. of periapsis
72.3202°
True anomaly
287.78163°
Mean anomaly
298.571°
Eccentric anomaly
293.23583°
Mean motion
3.22146 °/min
Orbital period
111.75 mins
BSTAR
0.000025633
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-09-10 04:50:49.861Z | 178.417° S | 2026-09-10 04:53:49.861Z | 133.192° SE | 31.574° | 2026-09-10 04:57:49.861Z | 56.862° ENE |
| 4 mins | 2026-09-10 06:47:49.861Z | 282.557° WNW | 2026-09-10 06:49:49.861Z | 322.389° NNW | 21.043° | 2026-09-10 06:51:49.861Z | 358.796° N |
| 7 mins | 2026-09-10 12:39:49.861Z | 3.724° NNE | 2026-09-10 12:42:49.861Z | 51.554° ENE | 22.87° | 2026-09-10 12:46:49.861Z | 95.425° ESE |
| 10 mins | 2026-09-10 14:34:49.861Z | 306.001° NW | 2026-09-10 14:37:49.861Z | 241.607° WSW | 55.726° | 2026-09-10 14:44:49.861Z | 162.163° 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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