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: 10/2/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/04/2025 | 04:10:32 | 0.03, 140.81 | -0.52, 138.39 | 276.39 | 80 |
| 2 | 10/05/2025 | 03:54:26 | 0.03, 140.83 | 0.51, 142.92 | 238.80 | 80 |
| 3 | 10/06/2025 | 16:16:11 | -0.03, 140.85 | 0.71, 137.67 | 362.56 | 80 |
| 4 | 10/07/2025 | 15:54:46 | -0.03, 140.86 | -0.33, 142.20 | 152.78 | 80 |
| 5 | 10/09/2025 | 04:16:40 | 0.03, 140.90 | -0.85, 136.91 | 454.25 | 80 |
| 6 | 10/10/2025 | 04:00:34 | 0.03, 140.91 | 0.13, 141.45 | 61.34 | 80 |
| 7 | 10/12/2025 | 16:03:34 | -0.04, 140.93 | 0.02, 140.73 | 23.74 | 80 |
| 8 | 10/13/2025 | 15:42:08 | -0.04, 140.94 | -1.03, 145.26 | 492.05 | 80 |
| 9 | 10/15/2025 | 04:04:01 | 0.05, 140.97 | -0.20, 139.97 | 114.01 | 80 |
| 10 | 10/16/2025 | 03:47:56 | 0.05, 140.97 | 0.86, 144.50 | 402.73 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/2/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 10/02/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21