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: 9/27/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/29/2025 | 04:04:22 | 0.02, 140.76 | -0.18, 139.88 | 100.84 | 80 |
| 2 | 09/30/2025 | 03:48:16 | 0.02, 140.78 | 0.84, 144.41 | 413.96 | 80 |
| 3 | 10/01/2025 | 16:10:03 | -0.02, 140.85 | 0.36, 139.15 | 194.04 | 80 |
| 4 | 10/02/2025 | 15:48:37 | -0.02, 140.87 | -0.67, 143.68 | 320.82 | 80 |
| 5 | 10/04/2025 | 04:10:32 | 0.03, 140.85 | -0.53, 138.39 | 280.84 | 80 |
| 6 | 10/05/2025 | 03:54:26 | 0.02, 140.86 | 0.49, 142.92 | 234.94 | 80 |
| 7 | 10/06/2025 | 16:16:12 | -0.03, 140.92 | 0.68, 137.66 | 370.80 | 80 |
| 8 | 10/07/2025 | 15:54:46 | -0.02, 140.93 | -0.30, 142.21 | 144.94 | 80 |
| 9 | 10/09/2025 | 04:16:40 | 0.02, 140.91 | -0.89, 136.91 | 456.49 | 80 |
| 10 | 10/10/2025 | 04:00:35 | 0.02, 140.92 | 0.14, 141.44 | 59.74 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/27/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 09/27/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21