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: 24/2/2020, day: 55

CURRENT ORBIT DETAILS FOR METEOSAT-11 (MSG4)

Coordinate Frame: Earth-centred, True of date

MSG4 Orbit State

Epoch: 2020/02/24 00:00:00.000 ( 20.055.00.00.00.000 ) UTC

X-Position: X = -37779.3222286 km, X-Velocity: XDOT = -1.3651942 km/s
Y-Position: Y = 18721.8836277 km, Y-Velocity: YDOT = -2.7550295 km/s
Z-Position: Z = -392.4477 km, Z-Velocity: ZDOT = 0.008132 km/s

SRP coefficient: CR = 1.25978

Semi-Major Axis: A = 42169.2017800 km
Eccentricity: E = 0.00009810
Inclination: I = 0.5543824 deg
Right Asc. of Asc. Node: RAAN = 227.7775146 deg
Argument of Perigee: AOP = 316.1638299 deg
True Anomaly: TA = 329.6968203 deg

Longitude at epoch: LONG = 0.29701700 deg
Mean Longitude: MEAN LONG = 0.301537 deg
Mean Drift Rate: MEAN DRIFT = -0.02835 deg/day

Perigee Height at Epoch: HPERI = 35786.92798131 km
Apogee Height at Epoch: HAPO = 35795.20157869 km

MSG4 Attitude State

Epoch: 2020/02/24 00:00:00.000 ( 20.055.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 122.6608573 deg
Spin Axis Declination: DEC = 88.9950019 deg

Spin Axis Unit X: UX = -0.00946553
Spin Axis Unit Y: UY = 0.01476625
Spin Axis Unit Z: UZ = 0.99984617

MSG4 Physical State

Epoch: 2020/02/24 04:00:00.000 ( 20.055.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.5155959 rpm

Total Mass: MTOT = 1174.21560400 kg
Fuel Mass: MFUEL = 39.86198240 kg
Oxidizer Mass: MOXID = 72.84532230 kg

CURRENT ORBIT DETAILS FOR METEOSAT-10 (MSG3)

Coordinate Frame: Earth-centred, True of date

MSG3 Orbit State

Epoch: 2020/02/24 00:00:00.000 ( 20.055.00.00.00.000 ) UTC

X-Position: X = -40338.7898545 km, X-Velocity: XDOT = -0.8945707 km/s
Y-Position: Y = 12263.0513191 km, Y-Velocity: YDOT = -2.9414016 km/s
Z-Position: Z = 239.5051636 km, Z-Velocity: ZDOT = -0.0500792 km/s

SRP coefficient: CR = 1.24242

Semi-Major Axis: A = 42165.1771911 km
Eccentricity: E = 0.00007340
Inclination: I = 0.9883526 deg
Right Asc. of Asc. Node: RAAN = 2.3157349 deg
Argument of Perigee: AOP = 140.1764226 deg
True Anomaly: TA = 20.5958428 deg

Longitude at epoch: LONG = 9.74880000 deg
Mean Longitude: MEAN LONG = 9.743535 deg
Mean Drift Rate: MEAN DRIFT = 0.02368 deg/day

Perigee Height at Epoch: HPERI = 35783.94526709 km
Apogee Height at Epoch: HAPO = 35790.13511511 km

MSG3 Attitude State

Epoch: 2020/02/24 00:00:00.000 ( 20.055.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 283.0608986 deg
Spin Axis Declination: DEC = 89.1603355 deg

Spin Axis Unit X: UX = 0.00331169
Spin Axis Unit Y: UY = -0.01427528
Spin Axis Unit Z: UZ = 0.99989262

MSG3 Physical State

Epoch: 2020/02/24 04:00:00.000 ( 20.055.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.8214352 rpm

Total Mass: MTOT = 1100.27824400 kg
Fuel Mass: MFUEL = 19.20141220 kg
Oxidizer Mass: MOXID = 28.71353230 kg

CURRENT ORBIT DETAILS FOR METEOSAT-9 (MSG2)

Coordinate Frame: Earth-centred, True of date

MSG2 Orbit State

Epoch: 2020/02/24 00:00:00.000 ( 20.055.00.00.00.000 ) UTC

X-Position: X = -38618.4568621 km, X-Velocity: XDOT = -1.2156297 km/s
Y-Position: Y = 16637.2623097 km, Y-Velocity: YDOT = -2.8244181 km/s
Z-Position: Z = 3074.0146111 km, Z-Velocity: ZDOT = 0.0163827 km/s

SRP coefficient: CR = 1.19076

Semi-Major Axis: A = 42167.9558892 km
Eccentricity: E = 0.00014770
Inclination: I = 4.1922788 deg
Right Asc. of Asc. Node: RAAN = 70.8812306 deg
Argument of Perigee: AOP = 69.0680354 deg
True Anomaly: TA = 16.7549832 deg

Longitude at epoch: LONG = 3.35123000 deg
Mean Longitude: MEAN LONG = 3.356443 deg
Mean Drift Rate: MEAN DRIFT = -0.01185 deg/day

Perigee Height at Epoch: HPERI = 35783.59068212 km
Apogee Height at Epoch: HAPO = 35796.04709628 km

MSG2 Attitude State

Epoch: 2020/02/24 00:00:00.000 ( 20.055.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 340.9061377 deg
Spin Axis Declination: DEC = 85.7937322 deg

Spin Axis Unit X: UX = 0.06931202
Spin Axis Unit Y: UY = -0.02399312
Spin Axis Unit Z: UZ = 0.99730646

MSG2 Physical State

Epoch: 2020/02/24 04:00:00.000 ( 20.055.04.00.00.000 ) UTC

Spin Rate: SPIN = 99.553294 rpm

Total Mass: MTOT = 1089.33734200 kg
Fuel Mass: MFUEL = 13.01073750 kg
Oxidizer Mass: MOXID = 22.53560530 kg

CURRENT ORBIT DETAILS FOR METEOSAT-8 (MSG1)

Coordinate Frame: Earth-centred, True of date

MSG1 Orbit State

Epoch: 2020/02/24 00:00:00.000 ( 20.055.00.00.00.000 ) UTC

X-Position: X = -40622.378589 km, X-Velocity: XDOT = 0.7734034 km/s
Y-Position: Y = -10884.4555255 km, Y-Velocity: YDOT = -2.9635843 km/s
Z-Position: Z = 3077.7859682 km, Z-Velocity: ZDOT = -0.2678028 km/s

SRP coefficient: CR = 1.16158

Semi-Major Axis: A = 42167.6839319 km
Eccentricity: E = 0.00011780
Inclination: I = 6.525677 deg
Right Asc. of Asc. Node: RAAN = 54.775094 deg
Argument of Perigee: AOP = 48.9116419 deg
True Anomaly: TA = 91.1296665 deg

Longitude at epoch: LONG = 41.65778300 deg
Mean Longitude: MEAN LONG = 41.471446 deg
Mean Drift Rate: MEAN DRIFT = -0.01832 deg/day

Perigee Height at Epoch: HPERI = 35784.57957873 km
Apogee Height at Epoch: HAPO = 35794.51428507 km

MSG1 Attitude State

Epoch: 2020/02/24 00:00:00.000 ( 20.055.00.00.00.000 ) UTC

Spin Axis Right Asc.: RA = 324.6348949 deg
Spin Axis Declination: DEC = 83.5248248 deg

Spin Axis Unit X: UX = 0.09196394
Spin Axis Unit Y: UY = -0.06527111
Spin Axis Unit Z: UZ = 0.99362081

MSG1 Physical State

Epoch: 2020/02/24 05:00:00.000 ( 20.055.05.00.00.000 ) UTC

Spin Rate: SPIN = 99.7560531 rpm

Total Mass: MTOT = 1081.83572600 kg
Fuel Mass: MFUEL = 11.03527180 kg
Oxidizer Mass: MOXID = 16.96545490 kg

Comments:
A Meteosat-8 EWSK manoeuvre was executed as planned on 18/02/2020 at 18:28:00.000 UTC (day 049).
A Meteosat-10 EWSK manoeuvre is planned on 26/02/2020 at 05:58:00.000 UTC (day 057).

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