GPS World, December 2017

ALMANAC ORBIT DATA and RESOURCES ON ACTIVE GNSS SATELLITES GLONASS CONSTELLATION GLONASS NUMBER KOSMOS NUMBER LAUNCHED USABLE 100 714 2419 12 25 05 A 101 715 2424 12 25 06 B 102 716 2425 12 25 06 10 12 07 15 0 2 103 717 2426 12 25 06 4 3 07 10 7 2 105 719 2432 10 26 07 11 27 07 20 2 3 106 720 2433 10 26 07 11 25 07 19 3 3 107 721 2434 12 25 07 2 8 08 13 2 2 109 723 2436 12 25 07 1 22 08 12 1 2 C 116 730 2456 12 14 09 1 30 10 1 1 1 117 733 2457 12 14 09 1 24 10 6 4 1 118 734 2458 12 14 09 1 10 10 5 1 1 119 731 2459 3 1 10 3 28 10 22 3 3 120 732 2460 3 1 10 3 28 10 23 3 3 121 735 2461 3 1 10 3 28 10 24 2 3 122 736 2464 9 2 10 10 4 10 16 1 2 123 737 2465 9 2 10 10 12 10 D 125 701 2471 2 26 11 20 5 3 E 126 742 2474 10 2 11 10 25 11 4 6 1 127 743 2475 11 4 11 3 5 13 8 6 1 128 744 2476 11 4 11 12 8 11 3 5 1 129 745 2477 11 4 11 12 23 11 7 5 1 131 747 2485 4 26 13 7 4 13 2 4 1 132 754 2492 3 24 14 4 13 14 18 3 3 F 133 755 2500 6 14 14 8 3 14 21 4 3 134 702 2501 11 30 14 2 15 16 9 2 2 135 751 2514 2 7 16 2 28 16 17 4 3 136 753 2516 5 19 16 6 27 16 11 0 2 137 752 2522 9 22 17 10 16 17 14 7 2 Website www glonass iac ru en GLONASS NOTES A GLONASS 100 was withdrawn from the constellation on Aug 24 2017 B GLONASS 101 was withdrawn from the constellation on Oct 6 2017 C L2 transmissions appear to be impaired D GLONASS 123 was withdrawn from the constellation on Aug 25 2017 ALMANAC SLOT CHANNEL ORBIT PLANE NOTES E GLONASS 125 the first GLONASS K1 satellite is currently in flight test mode near physical orbital slot 20 When not in the active constellation the satellite typically identifies itself as satellite 26 in its broadcast ephemeris F The Kosmos number for GLONASS 132 has been changed from 2491 to 2492 GALILEO CONSTELLATION BEIDOU CONSTELLATION SATELLITE NORAD ID PRN LAUNCHED ORBIT NOTES BeiDou M1 31115 C30 4 13 07 MEO period 1289 hours A BeiDou G2 34779 N A 4 14 09 GEO drifting B BeiDou G1 36287 C01 1 16 10 GEO 140 E C BeiDou G3 36590 C03 6 2 10 GEO 1105 E D BeiDou IGSO1 36828 C06 7 31 10 IGSO 118 E 55 incl BeiDou G4 37210 C04 10 31 10 GEO 160 E BeiDou IGSO2 37256 C07 12 17 10 IGSO 118 E 55 incl BeiDou IGSO3 37384 C08 4 9 11 IGSO 118 E 55 incl BeiDou IGSO4 37763 C09 7 26 11 IGSO 95 E 55 incl BeiDou IGSO5 37948 C10 12 1 11 IGSO 95 E 55 incl BeiDou G5 38091 C05 2 24 12 GEO 5875 E BeiDou M3 38250 C11 4 29 12 MEO slot 1 7 E BeiDou M4 38251 C12 4 29 12 MEO slot 1 8 E BeiDou M5 38774 C13 9 18 12 MEO slot 2 3 E F BeiDou M6 38775 C14 9 18 12 MEO slot 2 4 E BeiDou G6 38953 C02 10 25 12 GEO 80 E BeiDou IGS06 41434 C13 3 29 16 IGSO 95 E 55 incl G BeiDou G7 41586 C17 6 12 16 GEO 1445 E H BeiDou I1 S 40549 C31 3 30 15 IGSO 95 E 55 incl BeiDou M1 S 40749 C33 7 25 15 MEO slot 1 1 E I BeiDou M2 S 40748 C34 7 25 15 MEO slot 1 6 E I BeiDou I2 S 40938 C32 9 29 15 IGSO 95 E 55 incl BeiDou M3 S 41315 C35 2 1 16 MEO slot 2 1 E BeiDou 3 M1 43001 C19 11 5 17 MEO slot 2 7 E J BeiDou 3 M2 43002 C20 11 5 17 MEO E J K SATELLITE NORAD ID LAUNCHED L BAND ACTIVE OPERATIONAL SLOT PRN CLOCK NICKNAME NOTES GIOVE A 28922 12 28 05 A GIOVE B 32781 4 26 08 B PFM GSAT0101 37846 10 21 11 12 10 11 12 10 11 B5 E11 Rb Thijs FM2 GSAT0102 37847 10 21 11 1 9 12 1 16 12 B6 E12 H Natalia C FM3 GSAT0103 38857 10 12 12 12 1 12 12 1 12 C4 E19 H David FM4 GSAT0104 38858 10 12 12 12 12 12 12 12 12 C5 E20 Rb Sif D FOC FM1 0201 40128 8 22 14 11 29 14 Ext 1 E18 H Doresa E G FOC FM2 0202 40129 8 22 14 3 17 15 Ext 2 E14 H Milena F G FOC FM3 0203 40544 3 27 15 5 24 15 12 3 15 B8 E26 H Adam FOC FM4 0204 40545 3 27 15 5 21 15 12 4 15 B3 E22 Rb Anastasia H FOC FM5 0205 40889 9 11 15 11 9 15 1 28 16 A8 E24 H Alba FOC FM6 0206 40890 9 11 15 11 9 15 1 28 16 A5 E30 H Oriana FOC FM7 0207 41859 11 17 16 3 2 17 5 29 17 C6 E07 H Antonianna FOC FM8 0208 41174 12 17 15 2 16 16 4 22 16 C7 E08 H Andriana FOC FM9 0209 41175 12 17 15 2 18 16 4 22 16 C2 E09 H Liene FOC FM10 0210 41550 5 24 16 8 17 16 12 1 16 A2 E01 H Danielè FOC FM11 0211 41549 5 24 16 8 20 16 12 1 16 A6 E02 H Alizée FOC FM12 0212 41860 11 17 16 4 22 17 8 1 17 C8 E03 H Lisa FOC FM13 0213 41861 11 17 16 4 22 17 8 9 17 C3 E04 H Kimberley FOC FM14 0214 41862 11 17 16 3 3 17 5 29 17 C1 E05 H Tijmen 48 GPS WORLD WWW GPSWORLD COM DECEMBER 2017 TYPE BeiDou 2 TYPE BeiDou 3 BEIDOU NOTES GALILEO NOTES Websites European GNSS Agency www gsa europa eu European Space Agency www esa int A Navigation signals from GIOVE A were switched off on June 30 2012 and the satellite decommissioned for ESA use B Navigation signals from GIOVE B were switched off on July 23 2012 and the satellite decommissioned for ESA use C Active clock switched from Rb to H and satellite available again on or about Oct 22 2016 D Payload power problem beginning May 27 2014 Now only transmits an E1 signal E Orbit perigree raised by about 3500 kilometers in November 2014 Active clock switched from Rb to H on or about Mar 10 2017 F Orbit perigree raised by about 3500 kilometers in January February 2015 Active clock switched from Rb to H on or about July 2 2016 G Satellites launched into wrong orbits Testing underway H Active clock switched from H to Rb and satellite available again on or about Dec 21 2016 Website http en beidou gov cn IGSO node longitudes are nominal values Nodes are allowed to drift 3 degrees or so A Inactive B Initially achieved geostationary orbit at a longitude of about 845 E but appears to have become uncontrollable shortly thereafter Librating about the 75 E libration point C GEO formerly at 1445 E shifted to 140 E between about June 30 and July 9 2011 D GEO formerly at 84 E shifted to 1105 E between about Nov 7 and Nov 23 2012 E The MEO satellites are in a 24 satellite threeorbit plane Walker constellation with orbit planes spaced by 120 with 55 inclination and orbital period of 1289 hours F Satellite is not currently transmitting standard signals G Satellite switched PRN from C15 to C13 on Oct 11 2016 H Not operational yet I NORAD IDs and slot numbers corrected J Operational BeiDou 3 satellite K Satellite still drifting to final orbit