COSMOS 2146, 21302
Orbit data source: Space-Track
COSMOS 2146, 21302 is a payload satellite owned by UNKS RF (CIS) in LEO that was launched on Thu, 16 May 1991 UTC via a TSIKLON-3 launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). 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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21302 intel report (Beta)
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Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 COSMOS 2146
1 21302U 91033D 26171.37230932 .00000034 00000-0 12735-3 0 9998
2 21302 82.5762 292.3364 0016221 26.2861 333.9051 12.64553823619724TLE epoch observation values (Epoch: 2026-06-20T08:56:07.525Z)
Visualization orbit readout
Visualization observer readout
Orbital elements
Other satellites on launch #33 in the year 1991 (1991-05-16 UTC)
COSMOS 2146 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. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2026-06-22 18:30:28.922Z | 13.006° NNE | 2026-06-22 18:37:28.922Z | 75.561° E | 27.328° | 2026-06-22 18:43:28.922Z | 127.076° SE |
| 14 mins | 2026-06-22 20:25:28.922Z | 340.659° N | 2026-06-22 20:32:28.922Z | 263.103° W | 38.906° | 2026-06-22 20:39:28.922Z | 197.441° SSW |
| 12 mins | 2026-06-23 07:18:28.922Z | 135.473° SSE | 2026-06-23 07:24:28.922Z | 80.987° E | 26.447° | 2026-06-23 07:30:28.922Z | 30.156° NE |
| 14 mins | 2026-06-23 09:12:28.922Z | 211.199° SW | 2026-06-23 09:18:28.922Z | 280.475° WNW | 39.099° | 2026-06-23 09:26:28.922Z | 358.984° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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