Find Tongxin Jishu Shiyan 21
NORAD ID: 66586 • Int'l Des: 2025-269 • Owner: ZZB/SAST • Country: CN • operational
MEOELLIPTICALHEO_ELLIPTICALSEMI_SYNCMOLNIYA
Historical Position — Mar 25, 2026
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About Tongxin Jishu Shiyan 21
Tongxin Jishu Shiyan 21 (NORAD 66586) is a satellite launched Nov 21, 2025 by ZZB/SAST of CN. It operates in MEO, ELLIPTICAL, HEO_ELLIPTICAL, SEMI_SYNC, MOLNIYA orbit with a mass of 4000.00 kg. Last tracked position: Mar 25, 2026.
Altitude History
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Y: Altitude (km)
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Two-Line Element Set
1 66586U 25269A 26084.90842167 .00001086 00000-0 00000+0 0 9996
2 66586 63.3110 151.4086 6825268 269.3056 18.6838 2.00654387 2506
Epoch: Mar 25, 2026 •
Age: 2729 hours
Current Status
Position data unavailable
Launch Date Nov 21, 2025
Age 0.6 years
Type other
Technical Details
Classification Payload
Mass 4000.00 kg
Dry Mass 2500.00 kg
Total Mass 4000.00 kg
Length 7.00 m
Diameter 4.00 m
Span 30.00 m
Shape Box+ 2 pan+dish
Manufacturer SAST
Bus Type TJS11
Phase Status In Orbit
Owner/State ZZB/SAST/CN
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