Meteosat Orbital Parameters

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Meteosat orbits archive (PDF, 3 MB)

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: 19/2/2018, day: 50

CURRENT ORBIT DETAILS FOR METEOSAT-10 (MSG3)

Coordinate Frame: Earth-centred, True of date

MSG3 Orbit State

Epoch: 2018/02/19 00:00:00.000 ( 18.050.00.00.00.000 ) UTC

X-Position: X = -38045.9600596 km, X-Velocity: XDOT = -1.3206212 km/s
Y-Position: Y = 18086.8428482 km, Y-Velocity: YDOT = -2.7779318 km/s
Z-Position: Z = 491.8365432 km, Z-Velocity: ZDOT = -0.0300194 km/s

SRP coefficient: CR = 1.25651

Semi-Major Axis: A = 42131.304776 km
Eccentricity: E = 0.00012220
Inclination: I = 0.8718149 deg
Right Asc. of Asc. Node: RAAN = 24.6806167 deg
Argument of Perigee: AOP = 195.9712202 deg
True Anomaly: TA = 293.9187383 deg

Longitude at epoch: LONG = 5.68003800 deg
Mean Longitude: MEAN LONG = 5.688247 deg
Mean Drift Rate: MEAN DRIFT = 0.45390 deg/day

Perigee Height at Epoch: HPERI = 35748.01933056 km
Apogee Height at Epoch: HAPO = 35758.31622144 km

MSG3 Attitude State

Epoch: 2018/02/19 00:00:00.000 ( 18.050.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 319.5503543 deg
Spin Axis Declination: DEC = 89.3842789 deg

Spin Axis Unit X: UX = 0.00817757
Spin Axis Unit Y: UY = -0.00697188
Spin Axis Unit Z: UZ = 0.99994226

MSG3 Physical State

Epoch: 2018/02/19 04:00:00.000 ( 18.050.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.7686845 rpm

Total Mass: MTOT = 1140.85564600 kg
Fuel Mass: MFUEL = 34.57121660 kg
Oxidizer Mass: MOXID = 53.92112960 kg

CURRENT ORBIT DETAILS FOR METEOSAT-9 (MSG2)

Coordinate Frame: Earth-centred, True of date

MSG2 Orbit State

Epoch: 2018/02/19 00:00:00.000 ( 18.050.00.00.00.000 ) UTC

X-Position: X = -39103.0288877 km, X-Velocity: XDOT = -1.1432761 km/s
Y-Position: Y = 15676.9748551 km, Y-Velocity: YDOT = -2.8533964 km/s
Z-Position: Z = 1980.8472087 km, Z-Velocity: ZDOT = 0.0098775 km/s

SRP coefficient: CR = 1.23154

Semi-Major Axis: A = 42165.996692 km
Eccentricity: E = 0.00022320
Inclination: I = 2.6983228 deg
Right Asc. of Asc. Node: RAAN = 72.0749227 deg
Argument of Perigee: AOP = 251.0691177 deg
True Anomaly: TA = 195.0137243 deg

Longitude at epoch: LONG = 9.25963500 deg
Mean Longitude: MEAN LONG = 9.268951 deg
Mean Drift Rate: MEAN DRIFT = 0.00959 deg/day

Perigee Height at Epoch: HPERI = 35778.44824154 km
Apogee Height at Epoch: HAPO = 35797.27114246 km

MSG2 Attitude State

Epoch: 2018/02/19 00:00:00.000 ( 18.050.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 343.067736 deg
Spin Axis Declination: DEC = 87.6322313 deg

Spin Axis Unit X: UX = 0.03952264
Spin Axis Unit Y: UY = -0.01203221
Spin Axis Unit Z: UZ = 0.99914623

MSG2 Physical State

Epoch: 2018/02/19 04:00:00.000 ( 18.050.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.3648714 rpm

Total Mass: MTOT = 1091.34382100 kg
Fuel Mass: MFUEL = 13.78844230 kg
Oxidizer Mass: MOXID = 23.76437890 kg

CURRENT ORBIT DETAILS FOR METEOSAT-8 (MSG1)

Coordinate Frame: Earth-centred, True of date

MSG1 Orbit State

Epoch: 2018/02/19 00:00:00.000 ( 18.050.00.00.00.000 ) UTC

X-Position: X = -41384.4659451 km, X-Velocity: XDOT = 0.5398773 km/s
Y-Position: Y = -7581.5643246 km, Y-Velocity: YDOT = -3.0205018 km/s
Z-Position: Z = 2848.9595827 km, Z-Velocity: ZDOT = -0.19105 km/s

SRP coefficient: CR = 1.19504

Semi-Major Axis: A = 42165.3985362 km
Eccentricity: E = 0.00014210
Inclination: I = 5.2671065 deg
Right Asc. of Asc. Node: RAAN = 57.6483098 deg
Argument of Perigee: AOP = 358.8024489 deg
True Anomaly: TA = 133.8097941 deg

Longitude at epoch: LONG = 41.48757200 deg
Mean Longitude: MEAN LONG = 41.361148 deg
Mean Drift Rate: MEAN DRIFT = 0.01801 deg/day

Perigee Height at Epoch: HPERI = 35781.26983307 km
Apogee Height at Epoch: HAPO = 35793.25323933 km

MSG1 Attitude State

Epoch: 2018/02/19 00:00:00.000 ( 18.050.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 328.1220252 deg
Spin Axis Declination: DEC = 84.7280688 deg

Spin Axis Unit X: UX = 0.07802454
Spin Axis Unit Y: UY = -0.04852439
Spin Axis Unit Z: UZ = 0.99576983

MSG1 Physical State

Epoch: 2018/02/19 04:00:00.000 ( 18.050.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.8749254 rpm

Total Mass: MTOT = 1083.57877100 kg
Fuel Mass: MFUEL = 11.71087040 kg
Oxidizer Mass: MOXID = 18.03290080 kg

CURRENT ORBIT DETAILS FOR METEOSAT-11 (MSG4)

Coordinate Frame: Earth-centred, True of date

MSG4 Orbit State

Epoch: 2018/02/19 00:00:00.000 ( 18.050.00.00.00.000 ) UTC

X-Position: X = -36280.4727772 km, X-Velocity: XDOT = -1.5662245 km/s
Y-Position: Y = 21475.8587792 km, Y-Velocity: YDOT = -2.6452507 km/s
Z-Position: Z = -1012.2954899 km, Z-Velocity: ZDOT = 0.0222693 km/s

SRP coefficient: CR = 1.28252

Semi-Major Axis: A = 42168.8751458 km
Eccentricity: E = 0.00010450
Inclination: I = 1.4367008 deg
Right Asc. of Asc. Node: RAAN = 222.5825438 deg
Argument of Perigee: AOP = 69.5290148 deg
True Anomaly: TA = 217.2604767 deg

Longitude at epoch: LONG = 0.48322200 deg
Mean Longitude: MEAN LONG = 0.487040 deg
Mean Drift Rate: MEAN DRIFT = -0.02993 deg/day

Perigee Height at Epoch: HPERI = 35786.33149835 km
Apogee Height at Epoch: HAPO = 35795.14479325 km

MSG4 Attitude State

Epoch: 2018/02/19 00:00:00.000 ( 18.050.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 127.3084393 deg
Spin Axis Declination: DEC = 88.5712189 deg

Spin Axis Unit X: UX = -0.01511285
Spin Axis Unit Y: UY = 0.01983239
Spin Axis Unit Z: UZ = 0.99968909

MSG4 Physical State

Epoch: 2018/02/19 04:00:00.000 ( 18.050.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.494704 rpm

Total Mass: MTOT = 1212.11344100 kg
Fuel Mass: MFUEL = 54.36930690 kg
Oxidizer Mass: MOXID = 96.23583490 kg

Comments:
A Meteosat-11 relocation-stop burn 1 manoeuvre was executed as planned on 13/02/2018 at 06:12:42 UTC (day 044).
A Meteosat-11 relocation-stop burn 2 manoeuvre was executed as planned on 13/02/2018 at 18:10:22 UTC (day 044).
A Meteosat-9 relocation-start burn 1 manoeuvre is planned on 21/02/2018 at 05:12:52 UTC (day 052).
A Meteosat-9 relocation-start burn 2 manoeuvre is planned on 21/02/2018 at 18:40:42 UTC (day 052).

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