Prospects for Status and Prospects for Status and Development of GLONASS Development of GLONASS
System Space ComplexSystem Space Complex
9 – 14 of November 2013 , Dubai, UAE
JSC “M.F. Reshetnev “Information Satellite Systems”
The Basis for Future Space Complex Development
2
“GLONASS Sustainment, Development and Use for 2012 – 2020”Federal Program
The key objectives of the Program with regard to GL ONASS Space Complex:
Phase 1.1. To complete flight test of Glonass-K satellite (o f 1st series);2. To develop and test in flight Glonass-K satellit e (of 2nd series).3. To complete the first phase of modernization of ground control segment
and time scale generation & synchronization facilit ies.
The basis for future space segment development
3
“GLONASS Sustainment, Development and Use for 2012 – 2020”Federal Program
The key objectives of the Program with regard to GL ONASS Space Complex:
Phase 2 (2016 - 2020):1. To update the GLONASS constellation with Glonas s-K satellites (of 2nd series);
2. To complete modernization of the ground control segment andtime scale generation & synchronization facilities.
GLONASS Space Complex Architecture
4
Glonass M 2003
Glonass K(of 1st series)2011
Glonass K (of 2nd series)2016
Space SegmentGeneration and transmission of navigation signals (SIS)Orbit: circular, H= 19100 km, I= 64.8 degreesConstellation : 24 operational satellites in 3 planes (8 satellites per a plane)6 spare satellites (2 satellites per a plane)
Ground Control SegmentSatellites control & commandingClock and Orbit determinationSystem Control CentreCommanding & Measuring Stations
Launch Vehicles
Development and replenishment of the orbital group
Synchronization FacilitiesGLONASS Space Complex time scale generation and maintenanceNavigation signals phases synchronization
Baikonur Plesetsk
Proton M LVBreeze M booster
3 Glonass S/Cs
Soyuz 2 LVFregat booster1 Glonass S/C
GLONASS constellationGLONASS constellation
5
Constellation status as on 07 of November, 2013
Total - 29 S/CsOperational - 24 S/CsSpares - 3 S/CsUnder investigation - 1 S/CUnder flight test - 1 S/C
Constellation status as on 07 of November, 2013
Total - 29 S/CsOperational - 24 S/CsSpares - 3 S/CsUnder investigation - 1 S/CUnder flight test - 1 S/C
225°
270°
315°
0°
45°
90°
135°
180°
Argument of latitude
I II IIIOrbital planes
743
+06
8
730
+01
1
742
+06
4
734
+01
5721
-02
13
737
-01
12
723
+00
11
717
-07
10
736
-02
9
738
-01
16
716
+00
15
715
-07
14
722р14
732
+03
23
735
+02
24
714р17
724
-03
18
701л
-05
21
720
+03
19
719
+02
20
725
+04
21
731
-03
22
745
+057
744
+05
3
746
+04
17
728
-04
2
733
-046
Passive satellites(ETALON-1, ETALON-2)
241E-2
232E-1
2 747
-04
712т8
Under investigationХХХт
BackupХХХр
Under flight testХХХл
Block 48
Launch Facilities&Vehicles
6
Baikonur :Proton-M LV;Breeze-M booster;Payload: 3 Glonass-M S/Cs, or
3 Glonass-K S/Cs, or3 Glonass-K S/Cs (of 2nd series);a launcher adapter
Plesetsk :Soyuz-2 LV;Fregat booster;Payload: a Glonass-M S/C, or
a Glonass-K S/C, ora Glonass-K S/C (of 2nd series);a launcher adapter
Space Segment Modernization
7
Glonass-MDesign life 7 yearsMass 1415 kgAFSs 3 CAFsL1OF, L1SF, L2OF, L2SF, L3OC (from #55, 2014)Crosslink (RF)Laser Ranging
Glonass-K (of first series)
Design life 10 yearsMass 935 kgAFSs 2 CAFs+2 RAFsSolar Arrays single-junction GaAsL1OF, L2OF, L1SF, L2SF, L3OСCrosslink (RF)Laser Ranging SAR
Glonass-K (of second series)
Design life 10 yearsMass 1645 kg (estimate)AFSs 2 Cs + 2Rb (base option)Batteries Lithium-IonSolar Arrays triple-junction GaAsL1OF, L2OF, L1SF, L2SF,L1OC, L1SC, L2OC, L2SC, L3OСCrosslink (RF + optical)Laser Ranging SARAdditional clock slot for advanced technology qualification
8
Phase center of antenna transmitting L1OC, L1SC, L2SC, L2OC, L3OC navigation signals
Phase center of antenna transmitting L1OF, L1SF, L2OF,
L2SF navigation signals
S/C CoGcalculated position
LRR phase center
LRR
Phase center of antenna transmitting L1OF, L1SF, L2OF, L2SF, L3OC navigation signals
LRR phase center
LRR
Glonass-K S/C (of 2nd series)Glonass-K S/C (of 1st series)
Position of phase center of Position of phase center of
navigation antennae and LRRnavigation antennae and LRR
S/C CoGcalculated position
Phase Centers of antennae transmitting navigation C DMA signals and LRR phase centers are in the axis which passes through the S/C CoG and di rected to the Earth
9
GLONASS Constellation Replenishment ProgramGLONASS Constellation Replenishment Program
Total number of S/CsS/Cs under flight test
Launch schedule for 2013-2015
10
225°
270°
315°
0°
45°
90°
135°
180°
Argument of latitude
I II III
8
1
4
5
7
3
2
6
21
20
19
18
17
24
23
22
1*
13
12
11
10
9
16
15
14
14*
10*
5*
23*
19*
30-satellite GLONASS Constellation with 24 Satellite s in nominal positions and 6 Satellites Positioned in between Sl ots
30-satellite GLONASS Constellation with 24 Satellite s in nominal positions and 6 Satellites Positioned in between Sl ots
11
225°
270°
315°
0°
45°
90°
135°
180°
Argument of latitude
I II III
8
1
4
513
12
11
2*
9
16
15
6*
7
3
2
6
IV V VI
8
1
4
521
20
19
18
17
24
23
22
23
23*
18
19
20
20*
22
15*
11*
17
2
6
30-satellite GLONASS Constellation with 24 Satellite s in nominal positions and 6 Satellites Positioned in Additional Planes
13
12
11
10
9
16
15
14
12
Thank you for your attention!
ISC “M.F. Reshetnev “Information Satellite Systems”662972, Lenin Str. 52, Zheleznogorsk, Krasnoyarsk region, Russia
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