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: 10/5/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/06/2025 | 16:16:12 | -0.02, 140.74 | 0.68, 137.66 | 350.32 | 80 |
| 2 | 10/07/2025 | 15:54:46 | -0.02, 140.72 | -0.36, 142.20 | 168.87 | 80 |
| 3 | 10/09/2025 | 04:16:41 | 0.02, 140.69 | -0.83, 136.90 | 431.84 | 80 |
| 4 | 10/10/2025 | 04:00:35 | 0.03, 140.67 | 0.21, 141.43 | 87.56 | 80 |
| 5 | 10/12/2025 | 16:00:55 | -0.04, 140.60 | -0.05, 140.71 | 11.94 | 80 |
| 6 | 10/15/2025 | 04:04:04 | 0.04, 140.54 | -0.09, 139.95 | 68.14 | 80 |
| 7 | 10/16/2025 | 03:47:58 | 0.05, 140.51 | 0.96, 144.47 | 452.43 | 80 |
| 8 | 10/17/2025 | 16:09:44 | -0.05, 140.45 | 0.22, 139.22 | 140.08 | 80 |
| 9 | 10/18/2025 | 15:48:17 | -0.05, 140.41 | -0.78, 143.76 | 380.99 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/5/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 10/05/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21