Capella Space

Introduction

Capella Space imagery is acquired by seven very high and high resolution radar satellites on an intraday basis anywhere on the globe. The datasets are available starting with 2020. The collection provides single-look products (SLC and SICD) and multi-look products (GEC and GEO).

This collection provides catalog and tasking data. See more on the marketplace.

This is a restricted collection:

To use the catalog collection, request access.
To use the tasking collection, request access.

Product information

Geographic coverage

The geographic coverage is global. There are regional restrictions that limit the coverage of the catalog collection.

Location of interest type

This collection accepts AOIs. You will get full scenes intersecting the defined AOI.

General specifications

Specification	Description
Azimuth resolution	Spotlight (Spot): Very high resolution (0.50 m) Sliding Spotlight (Site): High resolution (1 m) Stripmap (Strip): High resolution (1.20 m)
Sensor type	Radar
Acquisition mode	Spotlight (Spot) Sliding Spotlight (Site) Stripmap (Strip)
Delivery format	Cloud Optimized GeoTIFF (COG) National Imagery Transmission Format (NITF) JSON
Revisit frequency	Intraday revisit rate (average of 5 hours)
Catalog data availability	From 2020
Viewing angle	From 25° to 40°
Spectral bands	X-band (from 9.4 GHz to 9.9 GHz)
Polarization	Single HH
Bit depth per pixel	16-bit: SLC and SICD 32-bit: GEC and GEO
Coordinate reference system	SLC: EPSG:4326 GEC: UTM-WGS84 GEC: UTM-WGS84 SLC: EPSG:4326

Data product specifications

All three acquisiton modes can provide SLC, GEC, and GEO products.

SLC, GEC, and GEO products are delivered as a three-file bundle consisting of the following:

Cloud Optimized GeoTIFF
STAC JSON metadata
Extended JSON metadata

The Spotlight (Spot) and Stripmap (Strip) acqusition modes can also deliver single look complex data in a Sensor Independent Complex Data (SICD) format. This will be a NITF file which contains both the SAR imagery and its metadata.

Data product type	Description
Single Look Complex (SLC)	Both amplitude and phase of SAR signal. Range-compressed, focused imagery in slant-range geometry. Georeferenced using orbit data and Range-Doppler projected.
Geocoded Ellipsoid Corrected (GEC)	Only amplitude information. Range-compressed, detected, focused, multi-looked imagery with enhanced radiometric resolution. Resampled and projected onto WGS84 ellipsoid with average scene center height. UTM and UPS projections.
Geocoded Terrain Corrected (GEO)	Only amplitude information. Range-compressed, detected, focused, multi-looked imagery with enhanced radiometric resolution. Terrain-height corrected using high resolution Digital Elevation Model (DEM). UTM and UPS projections.
Sensor Independent Complex Data (SICD)	Both amplitude and phase of SAR signal. Range-compressed, focused imagery in slant-range geometry.

Limitations

Acquisition mode	Scene size
Spotlight (Spot)	5 × 5 km
Sliding SpotLight (Site)	From 5 × 10 km to 5 × 50 km
Stripmap (Strip)	From 5 × 20 km to 5 × 200 km

UP42 data products

Tasking data products

Product configuration title	Data product ID	Collection name
Custom	`83e21b35-e431-43a0-a1c4-22a6ad313911`	`capella-tasking`

Catalog data products

Product configuration title	Data product ID	Collection name	Geometric processing level	Bit depth per pixel	Delivery format
SLC	`1f2b0d7f-d3e2-4b3d-96b7-e7c184df7952`	`capella-slc`	Primary	16-bit	COG and JSON
GEC	`96072809-d820-4cf9-86dd-d3bff3337c35`	`capella-gec`	Ortho	32-bit	COG and JSON
GEO	`d66facaa-533f-49a2-849a-c2910ac9dd31`	`capella-geo`	Ortho	32-bit	COG and JSON
SICD	`8b0aed07-c565-4bf9-b719-401e692de4a6`	`capella-sicd`	Primary	16-bit	NITF