Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between HIMAWARI-9 and NOAA-21 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/1/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/02/2025 | 16:09:15 | -0.00, 140.72 | 0.31, 139.37 | 153.38 | 80 |
| 2 | 11/03/2025 | 15:47:49 | 0.00, 140.70 | -0.71, 143.91 | 365.45 | 80 |
| 3 | 11/05/2025 | 04:09:43 | -0.00, 140.69 | -0.46, 138.62 | 236.49 | 80 |
| 4 | 11/06/2025 | 03:53:37 | -0.00, 140.68 | 0.56, 143.16 | 282.65 | 80 |
| 5 | 11/07/2025 | 16:15:21 | 0.00, 140.64 | 0.61, 137.90 | 312.01 | 80 |
| 6 | 11/08/2025 | 15:53:54 | 0.01, 140.62 | -0.41, 142.44 | 207.17 | 80 |
| 7 | 11/10/2025 | 04:15:49 | 0.01, 140.61 | -0.75, 137.14 | 394.83 | 80 |
| 8 | 11/11/2025 | 03:59:42 | 0.01, 140.59 | 0.27, 141.68 | 124.94 | 80 |
| 9 | 11/12/2025 | 16:21:26 | -0.02, 140.53 | 0.89, 136.43 | 467.86 | 80 |
| 10 | 11/13/2025 | 16:00:00 | -0.02, 140.51 | -0.14, 140.96 | 52.45 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/1/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/01/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21