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: 10/27/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/28/2025 | 16:00:30 | -0.02, 140.76 | -0.05, 140.83 | 8.88 | 80 |
| 2 | 10/31/2025 | 04:03:38 | 0.02, 140.79 | -0.12, 140.08 | 80.14 | 80 |
| 3 | 11/01/2025 | 03:47:31 | 0.02, 140.79 | 0.90, 144.62 | 437.20 | 80 |
| 4 | 11/02/2025 | 16:09:15 | -0.02, 140.77 | 0.29, 139.37 | 159.35 | 80 |
| 5 | 11/03/2025 | 15:47:49 | -0.02, 140.76 | -0.73, 143.91 | 358.38 | 80 |
| 6 | 11/05/2025 | 04:09:42 | -0.02, 140.78 | -0.50, 138.62 | 245.60 | 80 |
| 7 | 11/06/2025 | 03:53:36 | -0.02, 140.78 | 0.52, 143.16 | 272.17 | 80 |
| 8 | 11/07/2025 | 16:15:20 | 0.02, 140.75 | 0.65, 137.91 | 323.69 | 80 |
| 9 | 11/08/2025 | 15:53:54 | 0.01, 140.75 | -0.37, 142.45 | 194.06 | 80 |
| 10 | 11/10/2025 | 04:18:27 | -0.02, 140.76 | -0.84, 137.16 | 410.15 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/27/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 10/27/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21