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: 11/7/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/08/2025 | 15:54:07 | -0.00, 140.78 | -0.38, 142.39 | 184.77 | 80 |
| 2 | 11/10/2025 | 04:16:07 | -0.00, 140.82 | -0.82, 137.08 | 425.66 | 80 |
| 3 | 11/11/2025 | 04:00:05 | -0.00, 140.83 | 0.18, 141.60 | 88.43 | 80 |
| 4 | 11/13/2025 | 16:00:33 | 0.00, 140.84 | 0.01, 140.85 | 1.52 | 80 |
| 5 | 11/16/2025 | 04:03:51 | -0.01, 140.86 | -0.19, 140.06 | 92.07 | 80 |
| 6 | 11/17/2025 | 03:47:48 | -0.01, 140.87 | 0.83, 144.58 | 423.48 | 80 |
| 7 | 11/18/2025 | 16:09:38 | 0.02, 140.85 | 0.36, 139.30 | 176.05 | 80 |
| 8 | 11/19/2025 | 15:48:16 | 0.02, 140.85 | -0.66, 143.83 | 339.55 | 80 |
| 9 | 11/21/2025 | 04:10:15 | -0.03, 140.87 | -0.57, 138.52 | 268.10 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/7/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/07/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21