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
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: 22 hours ago
TLE from 22 hours ago
0 COSMOS 252
1 03530U 68097A 26034.54313964 .00000020 00000-0 49021-4 0 9993
2 03530 62.3201 120.8332 1002608 28.0768 337.0750 12.88243753688734Epoch: 2026-02-03T13:02Z
TLE epoch observation values (Epoch: 2026-02-03T13:02:07.264Z)
Latitude
-0.00004°
Longitude
151.58035°
Altitude
613.821 km
Speed
7.887 km/s
True Right ascension
08h 03m 19s
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
12:37:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,078.047 km
Perigee altitude
536.915 km
Semi-major axis
7,685.618 km
Eccentricity
0.10026
Inclination
62.3201°
RAAN
120.8332°
Arg. of periapsis
28.0768°
True anomaly
332.02591°
Mean anomaly
337.075°
Eccentric anomaly
334.61207°
Mean motion
3.22125 °/min
Orbital period
111.76 mins
BSTAR
0.000049021
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-02-04 13:41:54.653Z | 356.779° N | 2026-02-04 13:45:54.653Z | 36.901° NE | 18.386° | 2026-02-04 13:50:54.653Z | 75.377° E |
| 15 mins | 2026-02-04 15:36:54.653Z | 333.067° NNW | 2026-02-04 15:41:54.653Z | 33.353° NE | 42.627° | 2026-02-04 15:51:54.653Z | 134.786° SE |
| 14 mins | 2026-02-04 17:32:54.653Z | 294.1° NW | 2026-02-04 17:37:54.653Z | 246.906° WSW | 28.329° | 2026-02-04 17:46:54.653Z | 188.284° SSW |
| 6 mins | 2026-02-05 08:03:54.653Z | 257.422° W | 2026-02-05 08:05:54.653Z | 312.659° NW | 32.474° | 2026-02-05 08:09:54.653Z | 22.388° NNE |
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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