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: 10 hours ago
TLE from 10 hours ago
0 COSMOS 252
1 03530U 68097A 26042.53821976 .00000002 00000-0 42272-4 0 9999
2 03530 62.3194 101.1884 1003110 29.7176 335.7119 12.88246027689764Epoch: 2026-02-11T12:55Z
TLE epoch observation values (Epoch: 2026-02-11T12:55:02.187Z)
Latitude
0.00002°
Longitude
125.8264°
Altitude
622.352 km
Speed
7.878 km/s
True Right ascension
06h 44m 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
01:23:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,078.423 km
Perigee altitude
536.521 km
Semi-major axis
7,685.609 km
Eccentricity
0.10031
Inclination
62.3194°
RAAN
101.1884°
Arg. of periapsis
29.7176°
True anomaly
330.38513°
Mean anomaly
335.7119°
Eccentric anomaly
333.11272°
Mean motion
3.22126 °/min
Orbital period
111.76 mins
BSTAR
0.000042272
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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 | 2026-02-12 05:49:35.083Z | 214.328° SW | 2026-02-12 05:52:35.083Z | 213.147° SW | 44.63° | 2026-02-12 05:56:35.083Z | 35.64° NE |
| 7 mins | 2026-02-12 11:43:35.083Z | 5.829° NNE | 2026-02-12 11:46:35.083Z | 35.991° NE | 16.356° | 2026-02-12 11:50:35.083Z | 67.546° E |
| 15 mins | 2026-02-12 13:37:35.083Z | 335.648° NNW | 2026-02-12 13:42:35.083Z | 37.17° NE | 40.827° | 2026-02-12 13:52:35.083Z | 130.376° SE |
| 14 mins | 2026-02-12 15:33:35.083Z | 297.04° NW | 2026-02-12 15:38:35.083Z | 246.413° WSW | 30.834° | 2026-02-12 15:47:35.083Z | 184.054° SSW |
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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