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: 4/12/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 04/13/2025 | 16:15:48 | 0.01, 140.77 | 0.68, 137.77 | 341.70 | 80 |
| 2 | 04/14/2025 | 15:54:22 | 0.01, 140.77 | -0.32, 142.31 | 174.56 | 80 |
| 3 | 04/16/2025 | 04:16:16 | -0.01, 140.78 | -0.82, 137.00 | 429.62 | 80 |
| 4 | 04/17/2025 | 04:00:10 | -0.01, 140.78 | 0.18, 141.54 | 87.12 | 80 |
| 5 | 04/19/2025 | 16:00:28 | 0.01, 140.79 | -0.02, 140.82 | 4.49 | 80 |
| 6 | 04/22/2025 | 04:03:34 | -0.01, 140.79 | -0.20, 140.08 | 82.05 | 80 |
| 7 | 04/23/2025 | 03:47:28 | -0.01, 140.79 | 0.82, 144.62 | 435.68 | 80 |
| 8 | 04/24/2025 | 16:09:13 | 0.01, 140.78 | 0.35, 139.36 | 162.56 | 80 |
| 9 | 04/25/2025 | 15:47:47 | 0.01, 140.77 | -0.67, 143.89 | 355.27 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/12/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 04/12/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21