Skip to content
SatelliteIndex
LEOEarth ObservationOperational

Umbra SAR

Umbra · United States

Median orbit
517 km · 97.7°
Active
5
Inactive
0
Decayed
7
On orbit
5
Total launched
12
Launches
9
Launched 30 d
0
Launched 365 d
2
First launch
30 Jun 2021
Last launch
11 Jan 2026
Activity scorederived
4.0
launch cadence index
Snapshot
11 Sept 2026 22:14 UTC

Deployment

Deployment timeline

Cumulative satellites launched

Cumulative satellites launched by month051020212022202320242026

Launched per month

Satellites launched per month00.511.522021-062022-052023-042024-082026-01

Orbits

Orbital shells

Perigee altitude · satellites per 25 km

Perigee altitude histogram00.511.52460 km480 km500 km520 km540 km560 km580 km600 km

Inclination · satellites per 5°

Inclination histogram012397°97.5°98°98.5°99°

Largest shells (perigee × inclination)

Shell table unavailable

Shells bucket current elements to 20 km × 1°. Orbit classes are derived.

Launches

Launch history · 9 launches

SatelliteNORADStatusLaunchedPerigeeApogeeIncl.
UMBRA-1267371Active11 Jan 2026595 km602 km97.81°
UMBRA-1166748Active28 Nov 2025474 km478 km97.41°
UMBRA-1060547Active16 Aug 2024504 km506 km97.70°
UMBRA-0960541Active16 Aug 2024517 km518 km97.69°
UMBRA-0758297Active11 Nov 2023532 km538 km97.37°
UMBRA-0858292Decayed11 Nov 2023150 km168 km97.36°
UMBRA-0656198Decayed15 Apr 2023169 km175 km97.30°
UMBRA-0455050Decayed03 Jan 2023304 km319 km97.41°
UMBRA-0555036Decayed03 Jan 2023180 km194 km97.33°
UMBRA-0352753Decayed25 May 2022147 km167 km97.50°
UMBRA-0250986Decayed13 Jan 2022160 km175 km97.34°
UMBRA-200148906Decayed30 Jun 2021155 km175 km97.57°

Reentries

Decays by month

7 decays recorded · per month

Decayed satellites per month00.511.522024-042024-092024-112025-112025-12

Timeline

Events

All events

No events recorded for this entity yet.