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: 7/9/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/11/2025 | 04:04:37 | 0.01, 140.78 | -0.22, 139.81 | 111.10 | 80 |
| 2 | 07/12/2025 | 03:48:33 | 0.01, 140.78 | 0.78, 144.34 | 405.21 | 80 |
| 3 | 07/13/2025 | 16:10:21 | -0.00, 140.77 | 0.36, 139.06 | 194.46 | 80 |
| 4 | 07/14/2025 | 15:48:57 | -0.00, 140.77 | -0.64, 143.59 | 322.05 | 80 |
| 5 | 07/16/2025 | 04:10:54 | -0.00, 140.77 | -0.56, 138.28 | 282.78 | 80 |
| 6 | 07/17/2025 | 03:54:49 | -0.00, 140.76 | 0.45, 142.82 | 234.31 | 80 |
| 7 | 07/18/2025 | 16:16:38 | 0.01, 140.74 | 0.69, 137.54 | 363.99 | 80 |
| 8 | 07/19/2025 | 15:55:13 | 0.01, 140.73 | -0.31, 142.07 | 153.02 | 80 |
| 9 | 07/21/2025 | 04:17:11 | -0.01, 140.73 | -0.87, 136.76 | 451.60 | 80 |
| 10 | 07/22/2025 | 04:01:06 | -0.02, 140.72 | 0.13, 141.29 | 65.93 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/9/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 07/09/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21