TJS-22, 66990
Orbit data source: Space-Track
TJS-22, 66990 is a Chinese payload satellite in GEO that was launched on Tue, 09 Dec 2025 UTC via a CHANG ZHENG 3B launch vehicle from the Xichang Space Center, China (XSC). 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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66990 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SAST
Mission
Operational Defense Sigint
Bus & Motor
TJSXX, Unknown motor
Mass
~5,000 kg wet, ~6,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan + 1 Dish, 22.5 m
Radar Cross Section
55.841 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 TJS-22
1 66990U 25290A 26240.55223341 -.00000007 00000-0 00000-0 0 9995
2 66990 1.3596 287.7717 0003814 320.2899 353.9998 1.00270829 2742Epoch: 2026-08-28T13:15Z
TLE epoch observation values (Epoch: 2026-08-28T13:15:12.966Z)
Latitude
-0.95079°
Longitude
66.48609°
Altitude
35,770.578 km
Speed
3.076 km/s
True Right ascension
16h 08m 15s
True Declination
0° 56' 59"
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
10:45:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,804.015 km
Perigee altitude
35,771.85 km
Semi-major axis
42,166.069 km
Eccentricity
0.00038
Inclination
1.3596°
RAAN
287.7717°
Arg. of periapsis
320.2899°
True anomaly
353.99523°
Mean anomaly
353.9998°
Eccentric anomaly
353.99751°
Mean motion
0.25067 °/min
Orbital period
1,436.16 mins
BSTAR
0
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Other satellites on launch #290 in the year 2025 (2025-12-09 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.TJS-22 Visibility
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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. |
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| TJS-22 is likely not visible in the next few days. |
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66990 neighbors
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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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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