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: 11/25/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/26/2025 | 04:16:40 | -0.02, 140.80 | -0.89, 136.98 | 435.89 | 80 |
| 2 | 11/27/2025 | 04:00:37 | -0.01, 140.82 | 0.14, 141.50 | 77.20 | 80 |
| 3 | 11/29/2025 | 16:03:44 | 0.01, 140.86 | 0.06, 140.75 | 13.12 | 80 |
| 4 | 12/02/2025 | 04:04:21 | -0.02, 140.92 | -0.23, 139.96 | 109.22 | 80 |
| 5 | 12/03/2025 | 03:48:17 | -0.02, 140.94 | 0.75, 144.50 | 404.65 | 80 |
| 6 | 12/04/2025 | 16:10:08 | 0.03, 140.95 | 0.42, 139.22 | 197.93 | 80 |
| 7 | 12/05/2025 | 15:48:45 | 0.02, 140.97 | -0.62, 143.74 | 315.75 | 80 |
| 8 | 12/07/2025 | 04:10:44 | -0.03, 141.01 | -0.63, 138.44 | 293.94 | 80 |
| 9 | 12/08/2025 | 03:54:41 | -0.02, 141.02 | 0.41, 142.96 | 220.44 | 80 |
| 10 | 12/09/2025 | 16:16:31 | 0.03, 141.02 | 0.76, 137.68 | 380.45 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/25/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/25/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21