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: 11/4/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/05/2025 | 04:09:43 | -0.00, 140.77 | -0.47, 138.62 | 244.57 | 80 |
| 2 | 11/06/2025 | 03:53:36 | -0.01, 140.77 | 0.54, 143.16 | 273.14 | 80 |
| 3 | 11/07/2025 | 16:15:21 | 0.01, 140.76 | 0.63, 137.91 | 324.43 | 80 |
| 4 | 11/08/2025 | 15:53:54 | 0.01, 140.75 | -0.39, 142.44 | 193.23 | 80 |
| 5 | 11/10/2025 | 04:15:47 | -0.01, 140.75 | -0.83, 137.16 | 410.04 | 80 |
| 6 | 11/11/2025 | 03:59:41 | -0.00, 140.75 | 0.19, 141.70 | 108.32 | 80 |
| 7 | 11/12/2025 | 16:21:25 | 0.00, 140.72 | 0.97, 136.45 | 487.40 | 80 |
| 8 | 11/13/2025 | 15:59:59 | 0.00, 140.70 | -0.05, 140.98 | 31.51 | 80 |
| 9 | 11/16/2025 | 04:03:07 | -0.00, 140.67 | -0.08, 140.22 | 50.33 | 80 |
| 10 | 11/17/2025 | 03:46:59 | -0.00, 140.65 | 0.89, 144.77 | 469.55 | 80 |
| 11 | 11/18/2025 | 16:08:43 | 0.00, 140.60 | 0.27, 139.52 | 124.21 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/4/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/04/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21