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: 10/10/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/12/2025 | 16:03:34 | -0.01, 140.81 | 0.01, 140.73 | 9.83 | 80 |
| 2 | 10/15/2025 | 04:04:03 | 0.02, 140.85 | -0.16, 139.96 | 100.95 | 80 |
| 3 | 10/16/2025 | 03:47:57 | 0.02, 140.88 | 0.83, 144.51 | 413.68 | 80 |
| 4 | 10/17/2025 | 16:09:42 | -0.02, 140.94 | 0.35, 139.25 | 192.36 | 80 |
| 5 | 10/18/2025 | 15:48:15 | -0.02, 140.96 | -0.64, 143.79 | 322.60 | 80 |
| 6 | 10/20/2025 | 04:10:10 | 0.02, 140.96 | -0.55, 138.50 | 280.66 | 80 |
| 7 | 10/21/2025 | 03:54:04 | 0.02, 140.97 | 0.50, 143.03 | 235.12 | 80 |
| 8 | 10/22/2025 | 16:15:49 | -0.02, 141.01 | 0.73, 137.78 | 368.90 | 80 |
| 9 | 10/23/2025 | 15:54:23 | -0.02, 141.03 | -0.33, 142.31 | 146.66 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/10/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 10/10/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21