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: 11/11/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/13/2025 | 16:00:33 | -0.01, 140.81 | 0.00, 140.85 | 4.95 | 80 |
| 2 | 11/16/2025 | 04:03:51 | 0.01, 140.83 | -0.18, 140.06 | 88.90 | 80 |
| 3 | 11/17/2025 | 03:47:48 | 0.01, 140.83 | 0.83, 144.58 | 426.58 | 80 |
| 4 | 11/18/2025 | 16:09:38 | 0.01, 140.82 | 0.35, 139.30 | 173.34 | 80 |
| 5 | 11/19/2025 | 15:48:16 | 0.01, 140.83 | -0.67, 143.83 | 342.08 | 80 |
| 6 | 11/21/2025 | 04:10:15 | -0.01, 140.84 | -0.56, 138.52 | 265.15 | 80 |
| 7 | 11/22/2025 | 03:54:13 | -0.01, 140.84 | 0.47, 143.04 | 250.70 | 80 |
| 8 | 11/23/2025 | 16:16:03 | 0.02, 140.82 | 0.70, 137.76 | 348.28 | 80 |
| 9 | 11/24/2025 | 15:54:41 | 0.01, 140.81 | -0.32, 142.28 | 167.55 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/11/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/11/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21