WMO OSCAR | Details for Instrument Spaceview-NG

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Instrument: Spaceview-NG

Instrument details

Acronym	Spaceview-NG
Full name	Next Generation Spaceview Imager
Purpose	Very-high-resolution land imagery
Short description	9-channel VIS/NIR radiometer with one panchromatic channel and 8 multi-spectral.
Background	Evolution of Spaceview-110
Scanning Technique	Pushbroom, swath 10 km
Resolution	0.29 m for panchromatic at nadir 1.16 m for multi-spectral at nadir
Coverage / Cycle	Once all 6 satellites are in orbit a particular location can be viewed up to 15 times per day. Stereo views offered.
Mass		Power	Data Rate	600

Providing Agency	Maxar
Instrument Maturity	Flown on operational programme
Utilization Period:	2024 to 2030
Last update:	2024-08-19

Detailed characteristics

More details on 9 channel spectral characteristics will be posted here when available.

Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

WorldView (Maxar)
- WorldView Legion-1 (see instrument status) Aug 2024 - 2030
- WorldView Legion-2 (see instrument status) Aug 2024 - 2030
- WorldView Legion-4 (see instrument status) Nov 2024 - 2030
- WorldView Legion-3 (see instrument status) Nov 2024 - 2030
- WorldView Legion-5 (see instrument status) Feb 2025 - 2030
- WorldView Legion-6 (see instrument status) Feb 2025 - 2030

Instrument classification

Earth observation instrument
Passive optical radiometer or spectrometer
High resolution optical imager

WIGOS Subcomponents

Subcomponent 4
High-resolution optical observation constellation (commercial)
High-resolution optical observation constellation (commercial)

Mission objectives

Primary mission objectives

Land cover

Evaluation of Measurements

The following list indicates which measurements can typically be retrieved from this category of instrument. To see a full Gap Analysis by Variable, click on the respective variable.

Note: table can be sorted by clicking on the column headers
Note: * Primary mission objective.

Search:

Variable	Relevance for measuring this variable	Operational limitations	Explanation
Fire fractional cover	2 - very high	Cloud sensitive.. Daylight only.	VIS channels with high resolution for boundary detection
Fraction of vegetated land	2 - very high	Cloud sensitive.. Daylight only.	VIS and NIR channels
Land cover*	2 - very high	Cloud sensitive.. Daylight only.	VIS and NIR channels
Normalised Difference Vegetation Index (NDVI)	2 - very high	Cloud sensitive.. Infrequent coverage.	VIS and NIR channels
Soil type	2 - very high	Cloud sensitive.. Daylight only.	VIS and NIR channels
Fraction of Absorbed PAR (FAPAR)	3 - high	High troposphere only.. Cloud sensitive.. Infrequent coverage.	VIS channels including Red at 700 nm
Photosynthetically Active Radiation (PAR)	3 - high	Cloud sensitive.. Infrequent coverage.	VIS channels, range accurately sampled
Vegetation type	3 - high	Cloud sensitive.. Daylight only.	VIS and NIR channels
Cloud optical depth	4 - fair	Low-density cloud only.. Infrequent coverage.. Daylight only.	VIS and NIR channels
Glacier cover	4 - fair	Cloud sensitive.. Long time for mapping.. Daylight only.	VIS and NIR channels; and panchromatic channel with high resolution, for glacier boundary detection
Leaf Area Index (LAI)	4 - fair	Cloud sensitive.. Daylight only.. Infrequent coverage.	VIS and NIR channels. LAI inferred from NDVI
Snow cover	4 - fair	Cloud sensitive.. Infrequent coverage.. Daylight only.	VIS, NIR and panchromatic (higher resolution) channels
Biomass	5 - marginal	Cloud sensitive.. Index only.. Infrequent coverage.. Daylight only.	VIS and NIR channels. Biomass inferred from NDVI
Cloud cover	5 - marginal	Infrequent coverage.. Daylight only.	VIS and NIR channels
Earth surface albedo	5 - marginal	Cloud sensitive.. Infrequent coverage.	VIS channels
Glacier topography	5 - marginal	Cloud sensitive.. Long time for mapping.. Daylight only.	VIS and panchromatic channels with cross-track steering capability for stereoscopy between images from neighbour orbits
Ice sheet topography	5 - marginal	Cloud sensitive.. Long time for mapping.. Daylight only.	VIS and panchromatic channels with cross-track steering capability for stereoscopy between images from neighbouring orbits
Land surface topography	5 - marginal	Cloud sensitive.. Long time for mapping.. Daylight only.	VIS and panchromatic channels with cross-track steering capability for stereoscopy between images from neighbour orbits
Sea-ice cover	5 - marginal	Cloud sensitive.. Daylight only.	VIS and NIR (for contour enhancement) channels
Short-wave cloud reflectance	5 - marginal	Infrequent coverage.	VIS and NIR channels. Unsuitable dynamic range (saturation)
Soil moisture at surface	5 - marginal	Cloud sensitive.. Index only.. Infrequent coverage.. Daylight only.	VIS and NIR channels. Soil moisture inferred from differential brightness
Upward short-wave irradiance at TOA	5 - marginal	Spectral interpolation needed.. Information on BRDF needed.. Infrequent coverage.	VIS and NIR channels
Aerosol volcanic ash	5 - marginal	Cloud sensitive.. Infrequent coverage.. Daylight only.	VIS and NIR channels
Aerosol volcanic ash Total Column	5 - marginal	Cloud sensitive.. Infrequent coverage.. Daylight only.	VIS and NIR channels

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