SPOT Elements serve the same purpose as Two-Line Elements, to provide information about the orbit of a spacecraft in order to allow a prediction of its position at some time in the near future.
SPOT format is distributed in the MetOp data stream alongside TBUS format.
| Typical value | MetOp | Units | |
|---|---|---|---|
| P1 | +7.188990e+3 | +7.195305e+3 | km |
| P2 | -4.638379e-4 | -3.000000e-6 | |
| P3 | +1.179349e-3 | +1.136000e-3 | |
| P4 | +1.723015 | +9.873457e+1 | deg |
| P5 | +2.503810 | +3.569375e+2 | deg |
| P6 | +4.755502e-3 | +1.746706e+2 | deg |
| P7 | +2.002655e-7 | +9.892990e-1 | deg/day |
| P8 | +1.034581e-3 | +5.114797e+3 | deg/day |
| P9 | +8.501167e-4 | +8.490000e-4 | |
| P10 | -1.039689e-4 | -6.025000e-3 | deg |
| P11 | +5.430823e+1 | +2.732675e+2 | deg |
| P12 | -1.525059e-15 | +1.487400e-2 | deg/day2 |
| P13 | -1.057372e-7 | +3.034300e-2 | 1/day |
A better set of equations:
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