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The RESURS-P1 First Images. / July 8, 2013 /

On 25 June at 21:28 Moscow Time, the RESURS-P Earth remote sensing spacecraft was successfully launched by Soyuz-2.1b rocket from Site 31 of the Baikonur Cosmodrome. The satellite was injected into the sun-synchronous near polar orbit along the northern trajectory.

The RESURS-P spacecraft is manufactured by FGUP „GNPRKTS TsKB-Progress“ and designed for the Earth remote observation and data downlink to ground station for its planning, processing, and distribution to such customers as Minprirody, EMERCOM, Mintrans of Russia, Minselkhoz, Rosrybolovstvo, Roshydromet, and others as well as for purposes of international cooperation development of Russia in the field of environmental control and other pressing issues of remote sensing.

The spacecraft is the successor of the RESURS-DK 1 satellite in the Russian orbital constellation of civil remote sensing facilities with detailed level permissions.
The onboard instrumentation resolution — 1m, satellite mass — 5691kg, active lifetime — 5 years.

The promising RESURS-P1 spacecraft is created on the basis of the experience gained in the RESURS-DK spacecraft operation. The RESURS-P1 has the enhanced operational and technical characteristics as compared with that of its successor owing to the following instruments installed on board:
— High-detailed optoelectronics with an increased resolution;
— Hyper-spectral equipment;
— Wide-field multispectral equipment with a medium and low resolution in a wide swath width.

The RESURS-P1 spacecraft surpasses the RESURS-DK1 spacecraft in swath width, spectral range width and the number of narrow spectral bands, revisit period, and warranty lifetime.
The RESURS-P will enable optoelectronic imaging of the earth’s surface with resolution of no worth than 1m in panchromatic range and no worth than 4m in narrow spectral bands with the following data downlink to ground receiving centers with up to 300 Mbps data rate. The estimated average performance in high-detailed imaging mode in panchromatic range is 0.080 million squire kilometers per day.

Besides the geolocation accuracy of images is increased and stereo and area imaging is provided. The spacecraft operates in near circular sun-synchronous orbit. The RESURS-P1 navigation is made using the GLONASS and GPS navigation fields.

The RESURS-P1 spacecraft is designed for high-detailed, detailed wide-swath and hyper-spectral optoelectronic observation of the Earth’s surface to address a wide range of tasks to the benefit of such customers as Minprirody, EMERCOM, Mintrans of Russia, Minselkhoz, Rosrybolovstvo, Roshydromet, Rosreestr and others.

The spacecraft is designed to be used for purposes international cooperation development of Russia in the field of environmental control and other pressing issues of remote sensing.

The RESURS-P type spacecraft will provide the domestic and home customers with new capabilities for addressing a wide range of tasks owing to:
— Acquiring of remote sensing data that combines a wide range of linear resolution from detailed to viewing level;
— Capability of servicing up to 20 data receiving centers by one spacecraft;
— High-accuracy geolocation of images and determination of object co-ordinates in images including without using reference data;
— High-performance observation;
— Capability of synchronous imaging of ground in different spectral ranges.

The spacecraft is equipped with following instruments:
— High-resolution panchromatic camera with resolution of higher than 1m and swath width of 38km;
— High-resolution multispectral camera, 6 spectral bands of 4m resolution, and 38km swath width;
— Medium-resolution multispectral camera, 4 spectral bands of 12m resolution and 98km swath width;
— Low-resolution multispectral camera, 4 spectral bands of 60m resolution 440km swath width;
— Hyper-spectral imaging equipment with 96 bands of 30m resolution and 40km swath width.

The RESURS-P1 Characteristics

DETAILED OBSERVATION

Resolution on ground at nadir, m

- In panchromatic range

- In narrow spectral bands

Swath width at nadir, km

 

 

1.0

3.0-4.0

38

SPECTRAL RANGES, µm

- Panchromatic

- Narrow spectral bands

 

0.58-0.80

0.45-0.52

0.52-0.60

0.61-0.68

0.72-0.80

0.80-0.90

NUMBER OF SPECTRAL RANGES IMAGED SIMULTANEOUSLY


1-5

MEAN SQUARE ERROR OF GEOLOCATION OF IMAGES FROM OPTOELECTRONIСS AT NADIR WITHOUT CONTROL POINTS, m

No more than 10-15 in WGS-84

AVERAGE PERFORMANCE IN HIGH-DETAILED IMAGING MODE IN PANCHROMATIC RANGE PER DAY, million squire km

0,080

HYPER-SPECTRAL OBSERVATION

Number of spectral intervals

Resolution on ground at nadir (pixel projection), m

 

No less than 96

25-30

WIDE-FELD OBSERVATION

Resolution on ground at nadir (pixel projection), m

— In panchromatic range

— In multispectral ranges

Swath width, km

 

 

12; 60

23.8; 120

97; 441

REVISIT PERIOD, days

DATA TRANSMISSION IMMEDIANCY TO RECEIVING CENTER, hour

No more than 3

 

from real time to 12

OPERATIONAL ORBIT PARAMETERS:

-Type

-Altitude, km

-Inclination, deg

 

Near circular sun-synchronous

from 470 to 480

97.28

ACTIVE LIFETIME, years

5

IN-FLIGHT TEST START DATE

2013

At the moment, the images from high-resolution cameras have been acquired. The spacecraft payloads are being adjusted and data acquisition optimal modes are being selected. The in-flight tests will be lasted for 3 coming months.



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    Еще в рубрике: Images from RESURS-P Spacecraft (February 2020), Images from KANOPUS-V Spacecraft (February 2020), Images from KANOPUS-V Spacecraft (January 2020), Images from RESURS-P Spacecraft (January 2020), Images from KANOPUS-V Spacecraft (December 2019),
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