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: 2/28/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 03/02/2025 | 16:03:49 | 0.01, 140.75 | 0.04, 140.70 | 6.66 | 80 |
| 2 | 03/05/2025 | 04:04:22 | -0.00, 140.77 | -0.20, 139.92 | 96.30 | 80 |
| 3 | 03/06/2025 | 03:48:18 | -0.00, 140.77 | 0.83, 144.45 | 419.87 | 80 |
| 4 | 03/07/2025 | 16:10:04 | 0.01, 140.76 | 0.39, 139.19 | 179.50 | 80 |
| 5 | 03/08/2025 | 15:48:39 | 0.01, 140.76 | -0.64, 143.72 | 336.97 | 80 |
| 6 | 03/10/2025 | 04:10:36 | -0.01, 140.76 | -0.56, 138.41 | 268.11 | 80 |
| 7 | 03/11/2025 | 03:54:31 | -0.01, 140.75 | 0.48, 142.94 | 249.20 | 80 |
| 8 | 03/12/2025 | 16:16:18 | 0.01, 140.72 | 0.72, 137.68 | 347.94 | 80 |
| 9 | 03/13/2025 | 15:54:53 | 0.01, 140.71 | -0.32, 142.20 | 169.86 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 2/28/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 02/28/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21