Umbra

Very high resolution 25 cm SAR satellite imagery, acquired worldwide with a revisit rate of 4 times a day.


Overview

Umbra is a constellation of microsatellites equipped with an X-band and capturing SAR imagery in 25 cm, 35 cm, 50 cm, and 1 m azimuth resolutions. See more on the marketplace.

Umbra imagery of Buenos Aires (Argentina)

Geographic coverage

The geographic coverage is global, but certain areas are restricted.

A coverage map of restricted areas

Specifications

General

SpecificationDescription
Collection typeTasking
Product typeSAR
System typeSatellite

Data

SpecificationDescription
Azimuth resolution25 cm (very high)
35 cm (very high)
50 cm (high)
1 m (high)
Ground range resolutionFrom 25 cm to 1 m
Bit depth per pixel8-bit
Standard deliveryA ZIP file containing the following files:
  • Data (GEC: GeoTIFF; SICD, SIDD: NITF; CPHD: CPHD)
  • Metadata (JSON)

Processing levels

The ordered tasking data will include all processing levels.

ComplexDetectedGeocoded
Supported inline-icon-large
SICD, CPHD
Supported inline-icon-large
SIDD
Supported inline-icon-large
GEC

System

SpecificationDescription
Imaging modeSpotlight
Incidence angleFrom 10° to 75°
Slant range resolutionFrom 35 cm to 1 m
OrbitSun-synchronous, at 450–600 km
Orbit directionAscending
Descending
Tasking priorityStandard
PolarizationSingle: HH, VV
Revisit rate4 times a day
Swath width4 km

Band

SpecificationDescription
Frequency bandX-band: 9.8 GHz

Geographic reference

SpecificationDescription
Coordinate reference systemUTM-WGS84
Georeferencing accuracy< 15 m CE99

Limitations

LimitationValue
InputPOI
Minimum chargeAs per 1 scene
Output5×5 km scene

UP42 data products

DescriptionData product IDCollection name
Customfe2d291a-d065-481e-a083-aa2c7b901be8umbra-tasking