USA 173 — pass prediction & tasking

USA 173 is an optical satellite operated by NOAA in sso orbit at roughly 849 km altitude (NORAD 29522, COSPAR 2006-050A).

Operator: NOAA

Frequently asked questions

When does USA 173 pass over my location?

Use PassPrediction's pass search to compute USA 173's upcoming overpasses over any area of interest, with elevation, off-nadir angle, and ascending/descending node.

What orbit is USA 173 in?

USA 173 is in sso orbit at about 849 km, inclination 99°.

Who operates USA 173?

USA 173 is operated by NOAA.

What is USA 173's NORAD ID?

USA 173 is cataloged as NORAD 29522 (COSPAR 2006-050A).

Verify on a reference tracker

Cross-check NORAD 29522 / COSPAR 2006-050A against an independent satellite catalog:

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