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: 10/12/2018, day: 344

CURRENT ORBIT DETAILS FOR METEOSAT-11 (MSG4)

Coordinate Frame: Earth-centred, True of date

MSG4 Orbit State

Epoch: 2018/12/10 00:00:00.000 ( 18.344.00.00.00.000 ) UTC

X-Position: X = 8547.7688413 km, X-Velocity: XDOT = -3.0104098 km/s
Y-Position: Y = 41288.4741591 km, Y-Velocity: YDOT = 0.6230681 km/s
Z-Position: Z = -290.9497026 km, Z-Velocity: ZDOT = -0.0524883 km/s

SRP coefficient: CR = 1.30055

Semi-Major Axis: A = 42165.8343742 km
Eccentricity: E = 0.00006860
Inclination: I = 1.0550276 deg
Right Asc. of Asc. Node: RAAN = 236.2976563 deg
Argument of Perigee: AOP = 128.7922736 deg
True Anomaly: TA = 73.2169886 deg

Longitude at epoch: LONG = -0.36863000 deg
Mean Longitude: MEAN LONG = -0.374865 deg
Mean Drift Rate: MEAN DRIFT = 0.00951 deg/day

Perigee Height at Epoch: HPERI = 35784.80479796 km
Apogee Height at Epoch: HAPO = 35790.58995044 km

MSG4 Attitude State

Epoch: 2018/12/10 00:00:00.000 ( 18.344.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 123.1510389 deg
Spin Axis Declination: DEC = 88.55701 deg

Spin Axis Unit X: UX = -0.01377087
Spin Axis Unit Y: UY = 0.02108340
Spin Axis Unit Z: UZ = 0.99968288

MSG4 Physical State

Epoch: 2018/12/10 04:00:00.000 ( 18.344.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.4961667 rpm

Total Mass: MTOT = 1192.66213000 kg
Fuel Mass: MFUEL = 46.85527410 kg
Oxidizer Mass: MOXID = 84.29855660 kg

CURRENT ORBIT DETAILS FOR METEOSAT-10 (MSG3)

Coordinate Frame: Earth-centred, True of date

MSG3 Orbit State

Epoch: 2018/12/10 00:00:00.000 ( 18.344.00.00.00.000 ) UTC

X-Position: X = 1168.6153 km, X-Velocity: XDOT = -3.0733743 km/s
Y-Position: Y = 42142.5068639 km, Y-Velocity: YDOT = 0.0854106 km/s
Z-Position: Z = 750.8117702 km, Z-Velocity: ZDOT = 0.0028561 km/s

SRP coefficient: CR = 1.30025

Semi-Major Axis: A = 42163.9294383 km
Eccentricity: E = 0.00008430
Inclination: I = 1.0216662 deg
Right Asc. of Asc. Node: RAAN = 1.3940644 deg
Argument of Perigee: AOP = 332.7396545 deg
True Anomaly: TA = 114.2783444 deg

Longitude at epoch: LONG = 9.73941900 deg
Mean Longitude: MEAN LONG = 9.729828 deg
Mean Drift Rate: MEAN DRIFT = 0.03617 deg/day

Perigee Height at Epoch: HPERI = 35782.23801905 km
Apogee Height at Epoch: HAPO = 35789.34685755 km

MSG3 Attitude State

Epoch: 2018/12/10 00:00:00.000 ( 18.344.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 300.6491762 deg
Spin Axis Declination: DEC = 89.2594044 deg

Spin Axis Unit X: UX = 0.00658915
Spin Axis Unit Y: UY = -0.01111985
Spin Axis Unit Z: UZ = 0.99991646

MSG3 Physical State

Epoch: 2018/12/10 04:00:00.000 ( 18.344.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.7792682 rpm

Total Mass: MTOT = 1120.15634100 kg
Fuel Mass: MFUEL = 26.70680070 kg
Oxidizer Mass: MOXID = 41.08624110 kg

CURRENT ORBIT DETAILS FOR METEOSAT-9 (MSG2)

Coordinate Frame: Earth-centred, True of date

MSG2 Orbit State

Epoch: 2018/12/10 00:00:00.000 ( 18.344.00.00.00.000 ) UTC

X-Position: X = 5687.3405966 km, X-Velocity: XDOT = -3.0422058 km/s
Y-Position: Y = 41775.8633751 km, Y-Velocity: YDOT = 0.4121386 km/s
Z-Position: Z = 466.3884375 km, Z-Velocity: ZDOT = 0.1726342 km/s

SRP coefficient: CR = 1.2995

Semi-Major Axis: A = 42168.5278718 km
Eccentricity: E = 0.00011640
Inclination: I = 3.2804649 deg
Right Asc. of Asc. Node: RAAN = 71.1198052 deg
Argument of Perigee: AOP = 26.9016349 deg
True Anomaly: TA = 344.2438148 deg

Longitude at epoch: LONG = 3.57527600 deg
Mean Longitude: MEAN LONG = 3.594631 deg
Mean Drift Rate: MEAN DRIFT = -0.02412 deg/day

Perigee Height at Epoch: HPERI = 35785.48245516 km
Apogee Height at Epoch: HAPO = 35795.29928844 km

MSG2 Attitude State

Epoch: 2018/12/10 00:00:00.000 ( 18.344.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 343.3588583 deg
Spin Axis Declination: DEC = 86.5591124 deg

Spin Axis Unit X: UX = 0.05750497
Spin Axis Unit Y: UY = -0.01718795
Spin Axis Unit Z: UZ = 0.99819725

MSG2 Physical State

Epoch: 2018/12/10 04:00:00.000 ( 18.344.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.4891215 rpm

Total Mass: MTOT = 1089.82424900 kg
Fuel Mass: MFUEL = 13.19946090 kg
Oxidizer Mass: MOXID = 22.83378840 kg

CURRENT ORBIT DETAILS FOR METEOSAT-8 (MSG1)

Coordinate Frame: Earth-centred, True of date

MSG1 Orbit State

Epoch: 2018/12/10 00:00:00.000 ( 18.344.00.00.00.000 ) UTC

X-Position: X = -21051.0939654 km, X-Velocity: XDOT = -2.6517318 km/s
Y-Position: Y = 36333.7868133 km, Y-Velocity: YDOT = -1.5502586 km/s
Z-Position: Z = 3818.0323365 km, Z-Velocity: ZDOT = 0.1352646 km/s

SRP coefficient: CR = 1.29097

Semi-Major Axis: A = 42164.2861106 km
Eccentricity: E = 0.00008970
Inclination: I = 5.7776547 deg
Right Asc. of Asc. Node: RAAN = 56.1107692 deg
Argument of Perigee: AOP = 326.3515007 deg
True Anomaly: TA = 97.7397687 deg

Longitude at epoch: LONG = 41.41500200 deg
Mean Longitude: MEAN LONG = 41.516072 deg
Mean Drift Rate: MEAN DRIFT = 0.02938 deg/day

Perigee Height at Epoch: HPERI = 35782.36697414 km
Apogee Height at Epoch: HAPO = 35789.93124706 km

MSG1 Attitude State

Epoch: 2018/12/10 00:00:00.000 ( 18.344.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 327.1377852 deg
Spin Axis Declination: DEC = 84.0989099 deg

Spin Axis Unit X: UX = 0.08635936
Spin Axis Unit Y: UY = -0.05578762
Spin Axis Unit Z: UZ = 0.99470086

MSG1 Physical State

Epoch: 2018/12/10 04:00:00.000 ( 18.344.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.8182179 rpm

Total Mass: MTOT = 1082.90982800 kg
Fuel Mass: MFUEL = 11.45159030 kg
Oxidizer Mass: MOXID = 17.62323830 kg

Comments:
A Meteosat-9 EWSK manoeuvre was executed as planned on 04/12/2018 at 08:13:00 UTC (day 338).
A Meteosat-10 EWSK manoeuvre is planned on 11/12/2018 at 05:58:00 UTC (day 345).
A Meteosat-8 EWSK manoeuvre is planned on 11/12/2018 at 10:43:00 UTC (day 345).

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