OKEAN-O polar-orbiting satellite

 

Mission Objective
Spacecraft is designed for an operational and all-weather provision of data on the ocean and land surface conditions.

Tasks to be fulfilled:
Monitoring the Arctic and Antarctic ice conditions: mapping the boundaries of different thick ice floes, detecting large ice leads, areas of higher wind-driven waves resulted from hazardous natural phenomena, an operational detection of fishery promising regions, detecting sea-polluted areas.

Consumers:
Federal and governmental services organizations (Rosgidromet, Minmorflot, and others) and consumers on vessels at sea as well.

Special Features:
Onboard instruments enable comprehensive simultaneous research in visible, infrared, and microwave regions as well as simultaneous observations (space Earth) using the equipment designed for data acquisition from ground stations. Two side-looking radars (RLSBO) with right- and left-side looking provide a full coverage of the Earth's surface with radar imagery. With one spacecraft in orbit the entire water surface of the Russian Arctic Zone is imaged for 3-5 days.


Main Characteristics:

Launch Date 17 July1999
Spacecraft Mass 6150kg
Payload Mass 1520kg
Launcher  ZENIT
Spaceport Baikonur
Active lifetime 1 year
Developer State Design Bureau Yuzhnoye
Orbital Parameters:
Altitude 670km
Inclination 98.00°

On-board Equipment:

Equipment Spectral ranges
(micrometers)
Ground resolution (m) Field of view (km)
Multi-channel high-resolution scanner (MCHRS) 0.45-0.52

0.52-0.62

0.62-0.74

0.76-0.90

0.90-1.10

1.55-1.75

2.10-2.35

10.3-12.6
50

50

50

50

50

100

300

250
200
Multi-channel medium-resolution scanner with taper reamer (MCMRS) 0.5-0.6

0.6-0.7

0.7-0.8

0.8-1.1

10.4-12.6
160

160

160

160

600
600
Multi-channel low-resolution scanner (MCLRS) 0.5-0.6

0.6-0.7

0.7-0.8

0.8-1.1
1500x1800 1900
Trass polarization spectrometer "Trasser" 62 spectral channels

0.411-0.809 micrometers

Polarization H, V
1800
(along the movement direction).

800-1800
(across the movement direction).
2450
2 side-looking radars
(left and right)
3.2 cm
(VV-polarization)
1800
(along the movement direction).

800-1800
(across the movement direction).
2450
Scanning SHF-radiometer
(Delta 2D)

Conical scanning, 40' degree angle
0.8 cm

1.35 cm

2.2 cm

4.3 cm
20-100 km 1100
SHF-radiometer (R-600) Polarization H, V at 42' degree angle. 6.0 cm 130 km 130
Data aquisition and retranslation system
"Condor-2M"
Retranslation of data from data collection stations
and determination of their positions

On-board tape-recorder

 
 

Data transfer radio link
8.192 GHz

2 modes:

 
- 61.44 /
Data aquisition:
- in Roshydromet centers
(SRC"Planeta" - Obninsk
and
Western-Siberian Regional Data Receiving and Processing Centers).
- 15.36 /
Data aquisition:
- in Roshydromet centers
(SRC"Planeta" - Obninsk
and
Western-Siberian Regional Data Receiving and Processing Center - Novosibirsk
and
autonomous receiving stations).