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: 5/10/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 05/11/2025 | 15:48:14 | 0.00, 140.74 | -0.65, 143.78 | 345.24 | 80 |
| 2 | 05/13/2025 | 04:10:12 | -0.00, 140.74 | -0.49, 138.46 | 259.60 | 80 |
| 3 | 05/14/2025 | 03:54:09 | -0.00, 140.73 | 0.52, 142.98 | 257.00 | 80 |
| 4 | 05/15/2025 | 16:15:58 | -0.00, 140.72 | 0.69, 137.71 | 342.79 | 80 |
| 5 | 05/16/2025 | 15:54:35 | -0.01, 140.71 | -0.33, 142.24 | 173.78 | 80 |
| 6 | 05/18/2025 | 04:16:33 | 0.01, 140.70 | -0.81, 136.92 | 430.77 | 80 |
| 7 | 05/19/2025 | 04:00:29 | 0.02, 140.69 | 0.16, 141.45 | 86.48 | 80 |
| 8 | 05/21/2025 | 16:03:35 | 0.01, 140.64 | -0.03, 140.69 | 7.00 | 80 |
| 9 | 05/24/2025 | 04:04:09 | 0.01, 140.61 | -0.13, 139.91 | 79.35 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/10/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 05/10/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21