Shiyan 4 — pass prediction & tasking

Shiyan 4 is an optical satellite operated by CAST in sso orbit at roughly 793 km altitude (NORAD 37931, COSPAR 2011-068B).

Operator: CAST

Frequently asked questions

When does Shiyan 4 pass over my location?

Use PassPrediction's pass search to compute Shiyan 4's upcoming overpasses over any area of interest, with elevation, off-nadir angle, and ascending/descending node.

What orbit is Shiyan 4 in?

Shiyan 4 is in sso orbit at about 793 km, inclination 98°.

Who operates Shiyan 4?

Shiyan 4 is operated by CAST.

What is Shiyan 4's NORAD ID?

Shiyan 4 is cataloged as NORAD 37931 (COSPAR 2011-068B).

Verify on a reference tracker

Cross-check NORAD 37931 / COSPAR 2011-068B against an independent satellite catalog:

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