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: 10/28/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/28/2025 | 16:00:29 | -0.02, 140.76 | -0.02, 140.84 | 8.77 | 80 |
| 2 | 10/31/2025 | 04:03:37 | 0.02, 140.79 | -0.14, 140.09 | 79.96 | 80 |
| 3 | 11/01/2025 | 03:47:31 | 0.02, 140.79 | 0.87, 144.63 | 437.35 | 80 |
| 4 | 11/02/2025 | 16:09:15 | -0.02, 140.77 | 0.31, 139.37 | 159.20 | 80 |
| 5 | 11/03/2025 | 15:47:49 | -0.01, 140.76 | -0.70, 143.91 | 358.59 | 80 |
| 6 | 11/05/2025 | 04:09:42 | -0.02, 140.78 | -0.52, 138.63 | 245.39 | 80 |
| 7 | 11/06/2025 | 03:53:35 | -0.02, 140.77 | 0.50, 143.17 | 272.45 | 80 |
| 8 | 11/07/2025 | 16:15:20 | 0.02, 140.75 | 0.67, 137.91 | 323.42 | 80 |
| 9 | 11/08/2025 | 15:53:53 | 0.01, 140.74 | -0.35, 142.45 | 194.37 | 80 |
| 10 | 11/10/2025 | 04:18:28 | -0.02, 140.75 | -0.80, 137.15 | 409.75 | 80 |
| 11 | 11/11/2025 | 03:57:01 | -0.01, 140.74 | 0.23, 141.69 | 108.72 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/28/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 10/28/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21