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: 11/8/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/10/2025 | 04:16:07 | -0.00, 140.80 | -0.86, 137.09 | 424.12 | 80 |
| 2 | 11/11/2025 | 04:00:05 | 0.01, 140.81 | 0.20, 141.60 | 89.86 | 80 |
| 3 | 11/13/2025 | 16:00:33 | -0.01, 140.82 | -0.01, 140.85 | 2.85 | 80 |
| 4 | 11/16/2025 | 04:03:51 | 0.01, 140.84 | -0.17, 140.05 | 90.25 | 80 |
| 5 | 11/17/2025 | 03:47:48 | 0.01, 140.84 | 0.85, 144.58 | 425.38 | 80 |
| 6 | 11/18/2025 | 16:09:39 | 0.00, 140.83 | 0.34, 139.30 | 173.95 | 80 |
| 7 | 11/19/2025 | 15:48:16 | 0.00, 140.83 | -0.68, 143.82 | 341.66 | 80 |
| 8 | 11/21/2025 | 04:10:15 | -0.01, 140.84 | -0.55, 138.51 | 265.62 | 80 |
| 9 | 11/22/2025 | 03:54:13 | -0.01, 140.84 | 0.47, 143.04 | 250.39 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/8/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/08/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21