Meteosat Orbital Parameters

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The reference frame for the orbit is True-of-Date for the MSG satellites and Mean-of-Date for Meteosat-7 as indicated in the details below.

Last update: 25/5/2020, day: 146

CURRENT ORBIT DETAILS FOR METEOSAT-11 (MSG4)

Coordinate Frame: Earth-centred, True of date

MSG4 Orbit State

Epoch: 2020/05/25 00:00:00.000 ( 20.146.00.00.00.000 ) UTC

X-Position: X = -18879.9106663 km, X-Velocity: XDOT = 2.7491149 km/s
Y-Position: Y = -37699.887718 km, Y-Velocity: YDOT = -1.3768773 km/s
Z-Position: Z = 175.6602928 km, Z-Velocity: ZDOT = 0.0200775 km/s

SRP coefficient: CR = 1.22322

Semi-Major Axis: A = 42164.1981295 km
Eccentricity: E = 0.00006820
Inclination: I = 0.4437894 deg
Right Asc. of Asc. Node: RAAN = 210.8597642 deg
Argument of Perigee: AOP = 315.9307073 deg
True Anomaly: TA = 76.6088336 deg

Longitude at epoch: LONG = 0.36354100 deg
Mean Longitude: MEAN LONG = 0.354768 deg
Mean Drift Rate: MEAN DRIFT = 0.03177 deg/day

Perigee Height at Epoch: HPERI = 35783.18553119 km
Apogee Height at Epoch: HAPO = 35788.93672781 km

MSG4 Attitude State

Epoch: 2020/05/25 00:00:00.000 ( 20.146.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 139.2765951 deg
Spin Axis Declination: DEC = 89.5386715 deg

Spin Axis Unit X: UX = -0.00610206
Spin Axis Unit Y: UY = 0.00525294
Spin Axis Unit Z: UZ = 0.99996759

MSG4 Physical State

Epoch: 2020/05/25 04:00:00.000 ( 20.146.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.5345 rpm

Total Mass: MTOT = 1174.18204200 kg
Fuel Mass: MFUEL = 39.84897400 kg
Oxidizer Mass: MOXID = 72.82476800 kg

CURRENT ORBIT DETAILS FOR METEOSAT-10 (MSG3)

Coordinate Frame: Earth-centred, True of date

MSG3 Orbit State

Epoch: 2020/05/25 00:00:00.000 ( 20.146.00.00.00.000 ) UTC

X-Position: X = -12744.7106237 km, X-Velocity: XDOT = 2.9308935 km/s
Y-Position: Y = -40186.3559671 km, Y-Velocity: YDOT = -0.9289906 km/s
Z-Position: Z = -653.9569612 km, Z-Velocity: ZDOT = -0.02573 km/s

SRP coefficient: CR = 1.22343

Semi-Major Axis: A = 42165.0094494 km
Eccentricity: E = 0.00003870
Inclination: I = 1.0098105 deg
Right Asc. of Asc. Node: RAAN = 10.7579995 deg
Argument of Perigee: AOP = 291.1215616 deg
True Anomaly: TA = 310.5282416 deg

Longitude at epoch: LONG = 9.36909900 deg
Mean Longitude: MEAN LONG = 9.375331 deg
Mean Drift Rate: MEAN DRIFT = 0.02327 deg/day

Perigee Height at Epoch: HPERI = 35785.24066353 km
Apogee Height at Epoch: HAPO = 35788.50423527 km

MSG3 Attitude State

Epoch: 2020/05/25 00:00:00.000 ( 20.146.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 283.7047744 deg
Spin Axis Declination: DEC = 89.0009811 deg

Spin Axis Unit X: UX = 0.00413075
Spin Axis Unit Y: UY = -0.01693889
Spin Axis Unit Z: UZ = 0.99984799

MSG3 Physical State

Epoch: 2020/05/25 04:00:00.000 ( 20.146.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.8240893 rpm

Total Mass: MTOT = 1100.14988600 kg
Fuel Mass: MFUEL = 19.15166100 kg
Oxidizer Mass: MOXID = 28.63492550 kg

CURRENT ORBIT DETAILS FOR METEOSAT-9 (MSG2)

Coordinate Frame: Earth-centred, True of date

MSG2 Orbit State

Epoch: 2020/05/25 00:00:00.000 ( 20.146.00.00.00.000 ) UTC

X-Position: X = -16933.4093868 km, X-Velocity: XDOT = 2.8069768 km/s
Y-Position: Y = -38619.6188982 km, Y-Velocity: YDOT = -1.2320409 km/s
Z-Position: Z = 201.2943269 km, Z-Velocity: ZDOT = -0.2337889 km/s

SRP coefficient: CR = 1.22624

Semi-Major Axis: A = 42166.3926486 km
Eccentricity: E = 0.00007260
Inclination: I = 4.3698556 deg
Right Asc. of Asc. Node: RAAN = 69.9055943 deg
Argument of Perigee: AOP = 9.9461173 deg
True Anomaly: TA = 166.4620325 deg

Longitude at epoch: LONG = 3.28917600 deg
Mean Longitude: MEAN LONG = 3.275645 deg
Mean Drift Rate: MEAN DRIFT = 0.00411 deg/day

Perigee Height at Epoch: HPERI = 35785.19436849 km
Apogee Height at Epoch: HAPO = 35791.31692871 km

MSG2 Attitude State

Epoch: 2020/05/25 00:00:00.000 ( 20.146.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 339.0317931 deg
Spin Axis Declination: DEC = 85.6930922 deg

Spin Axis Unit X: UX = 0.07012583
Spin Axis Unit Y: UY = -0.02687415
Spin Axis Unit Z: UZ = 0.99717609

MSG2 Physical State

Epoch: 2020/05/25 04:00:00.000 ( 20.146.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.5644326 rpm

Total Mass: MTOT = 1089.26346800 kg
Fuel Mass: MFUEL = 12.98210380 kg
Oxidizer Mass: MOXID = 22.49036410 kg

CURRENT ORBIT DETAILS FOR METEOSAT-8 (MSG1)

Coordinate Frame: Earth-centred, True of date

MSG1 Orbit State

Epoch: 2020/05/25 00:00:00.000 ( 20.146.00.00.00.000 ) UTC

X-Position: X = 10378.6865148 km, X-Velocity: XDOT = 2.9655732 km/s
Y-Position: Y = -40696.7583426 km, Y-Velocity: YDOT = 0.7780686 km/s
Z-Position: Z = -3788.9678898 km, Z-Velocity: ZDOT = -0.2276847 km/s

SRP coefficient: CR = 1.21007

Semi-Major Axis: A = 42168.1190998 km
Eccentricity: E = 0.00018550
Inclination: I = 6.6871456 deg
Right Asc. of Asc. Node: RAAN = 54.0020795 deg
Argument of Perigee: AOP = 333.5851488 deg
True Anomaly: TA = 256.9117606 deg

Longitude at epoch: LONG = 41.27190700 deg
Mean Longitude: MEAN LONG = 41.479256 deg
Mean Drift Rate: MEAN DRIFT = -0.01925 deg/day

Perigee Height at Epoch: HPERI = 35782.15991371 km
Apogee Height at Epoch: HAPO = 35797.80428589 km

MSG1 Attitude State

Epoch: 2020/05/25 00:00:00.000 ( 20.146.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 323.6689305 deg
Spin Axis Declination: DEC = 83.3645939 deg

Spin Axis Unit X: UX = 0.09308870
Spin Axis Unit Y: UY = -0.06845820
Spin Axis Unit Z: UZ = 0.99330155

MSG1 Physical State

Epoch: 2020/05/25 04:00:00.000 ( 20.146.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.7456619 rpm

Total Mass: MTOT = 1081.63623900 kg
Fuel Mass: MFUEL = 10.95795120 kg
Oxidizer Mass: MOXID = 16.84328840 kg

Comments:
A Meteosat-8 EWSK manoeuvre was executed as planned on 19/05/2020 at 06:43:00 UTC (day 140).
A Meteosat-11 Attitude Slew manoeuvre was executed as planned on 19/05/2020 at 10:58:00 UTC (day 140).
A Meteosat-10 EWSK manoeuvre is planned on 27/05/2020 at 05:28:00 UTC (day 148).

 

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