| One Week | Three Month | One Year | Five Year | Full Range | Min | Mean | Max |
|---|
Delta/Yr below is a slope of the linear fitting over the data of the period. Delta/Yr/Yr is a slope of the liner fitting over the devivative data of the period. Slope listed on a linked plot is the slope computed on the last few periods of the data to show the direction of the trend, and different from that of Delta/Yr.
| MSID | Mean | RMS | Delta/Yr | Delta/Yr/Yr | Unit | Description | Limit Violation | |
|---|---|---|---|---|---|---|---|---|
| ai1ax1x | on | -0.002 | 0.103 | -0.91 +/- 1.58 | (2.37+/-2.22)e2 | DEG/S | IRU-1 AXIS 1X ANALOG RATE | No Violation Check | off | 7.377e-04 | 5.778e-04 | -3.86 +/- 0.02 | -1.10 +/- 3.19 | No Violation Check |
| ai1ax1y | on | -0.001 | 0.104 | -0.92 +/- 1.60 | (2.31+/-2.24)e2 | DEG/S | IRU-1 AXIS 1Y ANALOG RATE | No Violation Check | off | 0.001 | 4.886e-04 | -3.89 +/- 0.02 | 1.98 +/- 2.80 | No Violation Check |
| ai1ax2x | on | -0.004 | 0.104 | -0.92 +/- 1.60 | (2.35+/-2.24)e2 | DEG/S | IRU-1 AXIS 2X ANALOG RATE | No Violation Check | off | 6.192e-04 | 3.407e-04 | -3.88 +/- 0.01 | -0.30 +/- 1.38 | No Violation Check |
| ai1ax2y | on | -0.001 | 0.104 | -0.92 +/- 1.60 | (2.34+/-2.24)e2 | DEG/S | IRU-1 AXIS 2Y ANALOG RATE | No Violation Check | off | 4.818e-04 | 3.702e-04 | -3.88 +/- 0.01 | 0.59 +/- 1.73 | No Violation Check |
| ai2ax1x | on | -3.222e-04 | 2.870e-04 | (2.85+/-120.00)e-4 | 5.57 +/- 2.63 | DEG/S | IRU-2 AXIS 1X ANALOG RATE | No Violation Check | off | -2.424 | 0.063 | -1.49 +/- 1.78 | -17.74 +/- 46.48 | No Violation Check |
| ai2ax1y | on | 2.345e-04 | 2.377e-04 | (6.28+/-100.00)e-4 | 0.27 +/- 1.91 | DEG/S | IRU-2 AXIS 1Y ANALOG RATE | No Violation Check | off | -2.514 | 0.066 | -1.54 +/- 1.85 | -26.72 +/- 47.61 | No Violation Check |
| ai2ax2x | on | 2.126e-04 | 3.462e-04 | (7.37+/-140.00)e-4 | 1.38 +/- 3.36 | DEG/S | IRU-2 AXIS 2X ANALOG RATE | No Violation Check | off | -2.487 | 0.065 | -1.53 +/- 1.83 | -26.77 +/- 47.14 | No Violation Check |
| ai2ax2y | on | -3.335e-04 | 1.610e-04 | (1.68+/-700.00)e-5 | -1.31 +/- 1.09 | DEG/S | IRU-2 AXIS 2Y ANALOG RATE | No Violation Check | off | -2.531 | 0.066 | -1.53 +/- 1.86 | -30.24 +/- 47.83 | No Violation Check |
| aoalpang | -1.754 | 0.561 | -7.25 +/- 23.26 | (6.33+/-41.37)e2 | DEG | FSS ALPHA ANGLE MEAS | No Violation Check | |
| aoattqt1 | -0.026 | 0.008 | 0.01 +/- 0.31 | -23.71 +/- 42.81 | na | ESTIMATED SPACECRAFT ATTITUDE QUATERION 1 (ECI) | No Violation Check | |
| aoattqt2 | -0.017 | 0.017 | 0.12 +/- 0.72 | -(1.81+/-1.24)e2 | na | ESTIMATED SPACECRAFT ATTITUDE QUATERION 2 (ECI) | No Violation Check | |
| aoattqt3 | 0.067 | 0.012 | -0.14 +/- 0.50 | (1.05+/-0.83)e2 | na | ESTIMATED SPACECRAFT ATTITUDE QUATERION 3 (ECI) | No Violation Check | |
| aoattqt4 | -0.001 | 0.004 | 0.29 +/- 0.15 | 15.38 +/- 25.96 | na | ESTIMATED SPACECRAFT ATTITUDE QUATERION 4 (ECI) | No Violation Check | |
| aobetang | 1.169 | 0.752 | -11.80 +/- 31.12 | (3.39+/-5.75)e3 | DEG | FSS BETA ANGLE MEAS | No Violation Check | |
| aocmdqt1 | -0.026 | 0.008 | 0.01 +/- 0.31 | -23.60 +/- 42.78 | na | COMMANDED SPACECRAFT ATTITUDE QUATERNION 1 | No Violation Check | |
| aocmdqt2 | -0.017 | 0.017 | 0.12 +/- 0.72 | -(1.81+/-1.24)e2 | na | COMMANDED SPACECRAFT ATTITUDE QUATERNION 2 | No Violation Check | |
| aocmdqt3 | 0.067 | 0.012 | -0.14 +/- 0.50 | (1.03+/-0.83)e2 | na | COMMANDED SPACECRAFT ATTITUDE QUATERNION 3 | No Violation Check | |
| aoscpos1 | -1.204e+03 | 583.974 | -(3.12+/-23.67)e3 | -(3.87+/-0.99)e6 | KM | SPACECRAFT POSITION VECTOR X (ECI FRAME) | No Violation Check | |
| aoscpos2 | 7.858e+03 | 1.061e+03 | -(7.09+/-4.39)e4 | (6.34+/-17.35)e5 | KM | SPACECRAFT POSITION VECTOR Y (ECI FRAME) | No Violation Check | |
| aoscpos3 | -3.583e+03 | 869.551 | (5.17+/-3.54)e4 | (5.09+/-1.55)e6 | KM | SPACECRAFT POSITION VECTOR Z (ECI FRAME) | No Violation Check | |
| aoscvel1 | -0.144 | 0.025 | -0.09 +/- 1.01 | 52.27 +/- 86.19 | KMPS | SPACECRAFT VELOCITY VECTOR X ECI FRAME) | No Violation Check | |
| aoscvel2 | 0.018 | 0.040 | 0.28 +/- 1.64 | -(1.23+/-0.92)e2 | KMPS | SPACECRAFT VELOCITY VECTOR Y (ECI FRAME) | No Violation Check | |
| aoscvel3 | 0.187 | 0.036 | -0.04 +/- 1.49 | -49.91 +/- 86.50 | KMPS | SPACECRAFT VELOCITY VECTOR Z (ECI FRAME) | No Violation Check | |
| aosunec1 | -0.016 | 7.034e-05 | 0.26 +/- 0.02 | 0.13 +/- 0.40 | na | UNIT VECTOR FROM THE SPACECRAFT TO THE SUN X (ECI FRAME) | No Violation Check | |
| aosunec2 | 0.004 | 6.336e-05 | 0.89 +/- 0.01 | (4.00+/-6.08)e-10 | na | UNIT VECTOR FROM THE SPACECRAFT TO THE SUN Y (ECI FRAME) | No Violation Check | |
| aosunec3 | 0.003 | 6.919e-05 | 0.38 +/- 0.01 | (1.31+/-0.23)e-9 | na | UNIT VECTOR FROM THE SPACECRAFT TO THE SUN Z (ECI FRAME) | No Violation Check | |
| aosunsa1 | 0.003 | 2.853e-04 | -0.01 +/- 0.01 | 1.10 +/- 1.77 | na | CSSA DERIVED UNIT VECTOR TO THE SUN IN SA FRAME X | No Violation Check | |
| aosunsa2 | -0.015 | 0.001 | 0.04 +/- 0.06 | 0.93 +/- 7.65 | na | CSSA DERIVED UNIT VECTOR TO THE SUN IN SA FRAME Y | No Violation Check | |
| aosunsa3 | 6.640e-05 | 1.117e-04 | -1.00 +/- 0.01 | -0.40 +/- 0.62 | na | CSSA DERIVED UNIT VECTOR TO THE SUN IN SA FRAME Z | No Violation Check | |
| aotarqt1 | -0.035 | 0.008 | -0.00 +/- 0.32 | 7.14 +/- 43.81 | na | TARGET ATTITUDE QUATERNION ELEMENT 1 | No Violation Check | |
| aotarqt2 | -0.009 | 0.017 | 0.11 +/- 0.72 | -(1.67+/-1.19)e2 | na | TARGET ATTITUDE QUATERNION ELEMENT 2 | No Violation Check | |
| aotarqt3 | 0.065 | 0.012 | -0.13 +/- 0.49 | 98.16 +/- 81.43 | na | TARGET ATTITUDE QUATERNION ELEMENT 3 | No Violation Check |
If you have any questions, please contact
swolk@cfa.harvard.edu.
Data Updated: Jun 12, 2026
Last Site Modification: Sep 30, 2021