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: 18/2/2019, day: 49

CURRENT ORBIT DETAILS FOR METEOSAT-11 (MSG4)

Coordinate Frame: Earth-centred, True of date

MSG4 Orbit State

Epoch: 2019/02/18 00:00:00.000 ( 19.049.00.00.00.000 ) UTC

X-Position: X = -35723.2845197 km, X-Velocity: XDOT = -1.6333156 km/s
Y-Position: Y = 22402.4807883 km, Y-Velocity: YDOT = -2.6044785 km/s
Z-Position: Z = -679.2730725 km, Z-Velocity: ZDOT = 0.0107595 km/s

SRP coefficient: CR = 1.259

Semi-Major Axis: A = 42169.3545292 km
Eccentricity: E = 0.00008290
Inclination: I = 0.9444403 deg
Right Asc. of Asc. Node: RAAN = 225.6498358 deg
Argument of Perigee: AOP = 63.8097606 deg
True Anomaly: TA = 218.446493 deg

Longitude at epoch: LONG = 0.24006300 deg
Mean Longitude: MEAN LONG = 0.246709 deg
Mean Drift Rate: MEAN DRIFT = -0.02735 deg/day

Perigee Height at Epoch: HPERI = 35787.72168971 km
Apogee Height at Epoch: HAPO = 35794.71336869 km

MSG4 Attitude State

Epoch: 2019/02/18 00:00:00.000 ( 19.049.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 124.707903 deg
Spin Axis Declination: DEC = 88.5636426 deg

Spin Axis Unit X: UX = -0.01427271
Spin Axis Unit Y: UY = 0.02060634
Spin Axis Unit Z: UZ = 0.99968578

MSG4 Physical State

Epoch: 2019/02/18 04:00:00.000 ( 19.049.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.4938919 rpm

Total Mass: MTOT = 1192.55132500 kg
Fuel Mass: MFUEL = 46.81232650 kg
Oxidizer Mass: MOXID = 84.23069940 kg

CURRENT ORBIT DETAILS FOR METEOSAT-10 (MSG3)

Coordinate Frame: Earth-centred, True of date

MSG3 Orbit State

Epoch: 2019/02/18 00:00:00.000 ( 19.049.00.00.00.000 ) UTC

X-Position: X = -38795.165093 km, X-Velocity: XDOT = -1.2048615 km/s
Y-Position: Y = 16517.9839053 km, Y-Velocity: YDOT = -2.8283243 km/s
Z-Position: Z = 406.7103291 km, Z-Velocity: ZDOT = -0.0437896 km/s

SRP coefficient: CR = 1.24538

Semi-Major Axis: A = 42167.9968478 km
Eccentricity: E = 0.00005540
Inclination: I = 0.9856232 deg
Right Asc. of Asc. Node: RAAN = 11.0383752 deg
Argument of Perigee: AOP = 75.4168082 deg
True Anomaly: TA = 70.4778226 deg

Longitude at epoch: LONG = 9.26930400 deg
Mean Longitude: MEAN LONG = 9.262445 deg
Mean Drift Rate: MEAN DRIFT = -0.01399 deg/day

Perigee Height at Epoch: HPERI = 35787.52374077 km
Apogee Height at Epoch: HAPO = 35792.19595483 km

MSG3 Attitude State

Epoch: 2019/02/18 00:00:00.000 ( 19.049.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 295.1361787 deg
Spin Axis Declination: DEC = 89.2254227 deg

Spin Axis Unit X: UX = 0.00574227
Spin Axis Unit Y: UY = -0.01223832
Spin Axis Unit Z: UZ = 0.99990862

MSG3 Physical State

Epoch: 2019/02/18 04:00:00.000 ( 19.049.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.7679427 rpm

Total Mass: MTOT = 1119.99296000 kg
Fuel Mass: MFUEL = 26.64347440 kg
Oxidizer Mass: MOXID = 40.98618550 kg

CURRENT ORBIT DETAILS FOR METEOSAT-9 (MSG2)

Coordinate Frame: Earth-centred, True of date

MSG2 Orbit State

Epoch: 2019/02/18 00:00:00.000 ( 19.049.00.00.00.000 ) UTC

X-Position: X = -36896.9594087 km, X-Velocity: XDOT = -1.4782703 km/s
Y-Position: Y = 20262.2681513 km, Y-Velocity: YDOT = -2.6956643 km/s
Z-Position: Z = 2483.7279342 km, Z-Velocity: ZDOT = 0.033651 km/s

SRP coefficient: CR = 1.21988

Semi-Major Axis: A = 42168.9205191 km
Eccentricity: E = 0.00006130
Inclination: I = 3.434583 deg
Right Asc. of Asc. Node: RAAN = 71.7683398 deg
Argument of Perigee: AOP = 17.9164644 deg
True Anomaly: TA = 61.5599565 deg

Longitude at epoch: LONG = 3.55861100 deg
Mean Longitude: MEAN LONG = 3.572522 deg
Mean Drift Rate: MEAN DRIFT = -0.02206 deg/day

Perigee Height at Epoch: HPERI = 35788.19856427 km
Apogee Height at Epoch: HAPO = 35793.36847393 km

MSG2 Attitude State

Epoch: 2019/02/18 00:00:00.000 ( 19.049.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 342.251726 deg
Spin Axis Declination: DEC = 86.6141561 deg

Spin Axis Unit X: UX = 0.05624879
Spin Axis Unit Y: UY = -0.01800351
Spin Axis Unit Z: UZ = 0.99825445

MSG2 Physical State

Epoch: 2019/02/18 04:00:00.000 ( 19.049.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.5087858 rpm

Total Mass: MTOT = 1089.75517000 kg
Fuel Mass: MFUEL = 13.17268630 kg
Oxidizer Mass: MOXID = 22.79148440 kg

CURRENT ORBIT DETAILS FOR METEOSAT-8 (MSG1)

Coordinate Frame: Earth-centred, True of date

MSG1 Orbit State

Epoch: 2019/02/18 00:00:00.000 ( 19.049.00.00.00.000 ) UTC

X-Position: X = -41514.7682456 km, X-Velocity: XDOT = 0.4726688 km/s
Y-Position: Y = -6701.7237408 km, Y-Velocity: YDOT = -3.0299681 km/s
Z-Position: Z = 3179.0437191 km, Z-Velocity: ZDOT = -0.214328 km/s

SRP coefficient: CR = 1.18402

Semi-Major Axis: A = 42164.7471841 km
Eccentricity: E = 0.00017760
Inclination: I = 5.8936469 deg
Right Asc. of Asc. Node: RAAN = 56.252754 deg
Argument of Perigee: AOP = 317.5264015 deg
True Anomaly: TA = 175.2395867 deg

Longitude at epoch: LONG = 41.50249800 deg
Mean Longitude: MEAN LONG = 41.359872 deg
Mean Drift Rate: MEAN DRIFT = 0.00554 deg/day

Perigee Height at Epoch: HPERI = 35779.12172500 km
Apogee Height at Epoch: HAPO = 35794.09864320 km

MSG1 Attitude State

Epoch: 2019/02/18 00:00:00.000 ( 19.049.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 326.239323 deg
Spin Axis Declination: DEC = 84.157569 deg

Spin Axis Unit X: UX = 0.08462728
Spin Axis Unit Y: UY = -0.05656895
Spin Axis Unit Z: UZ = 0.99480560

MSG1 Physical State

Epoch: 2019/02/18 04:00:00.000 ( 19.049.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.817736 rpm

Total Mass: MTOT = 1082.72703000 kg
Fuel Mass: MFUEL = 11.38073830 kg
Oxidizer Mass: MOXID = 17.51129210 kg

Comments:
A Meteosat-9 EWSK manoeuvre was executed as planned on 12/02/2019 at 04:43:00 UTC (day 043).

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