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: 10/3/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/04/2025 | 04:10:32 | 0.03, 140.75 | -0.50, 138.39 | 269.83 | 80 |
| 2 | 10/05/2025 | 03:54:26 | 0.03, 140.73 | 0.53, 142.92 | 249.71 | 80 |
| 3 | 10/06/2025 | 16:16:13 | -0.03, 140.69 | 0.63, 137.65 | 345.56 | 80 |
| 4 | 10/07/2025 | 15:54:46 | -0.03, 140.67 | -0.35, 142.20 | 174.11 | 80 |
| 5 | 10/09/2025 | 04:16:40 | 0.03, 140.63 | -0.83, 136.90 | 425.69 | 80 |
| 6 | 10/10/2025 | 04:00:35 | 0.03, 140.61 | 0.21, 141.43 | 94.23 | 80 |
| 7 | 10/12/2025 | 16:00:55 | -0.04, 140.53 | -0.07, 140.71 | 19.68 | 80 |
| 8 | 10/15/2025 | 04:04:04 | 0.05, 140.46 | -0.05, 139.94 | 59.01 | 80 |
| 9 | 10/16/2025 | 03:47:57 | 0.05, 140.43 | 0.95, 144.48 | 462.14 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/3/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 10/03/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21