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: 11/28/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/29/2025 | 16:03:44 | 0.01, 140.76 | 0.04, 140.75 | 3.33 | 80 |
| 2 | 12/02/2025 | 04:04:21 | -0.02, 140.76 | -0.21, 139.96 | 91.10 | 80 |
| 3 | 12/03/2025 | 03:48:19 | -0.02, 140.75 | 0.83, 144.48 | 425.49 | 80 |
| 4 | 12/04/2025 | 16:10:09 | 0.02, 140.72 | 0.34, 139.20 | 173.08 | 80 |
| 5 | 12/05/2025 | 15:48:46 | 0.02, 140.72 | -0.64, 143.73 | 343.36 | 80 |
| 6 | 12/07/2025 | 04:13:25 | -0.03, 140.72 | -0.54, 138.42 | 262.00 | 80 |
| 7 | 12/08/2025 | 03:52:02 | -0.02, 140.70 | 0.50, 142.94 | 255.10 | 80 |
| 8 | 12/09/2025 | 16:16:33 | 0.03, 140.67 | 0.67, 137.66 | 341.78 | 80 |
| 9 | 12/10/2025 | 15:55:09 | 0.02, 140.65 | -0.31, 142.19 | 175.82 | 80 |
| 10 | 12/12/2025 | 04:19:48 | -0.03, 140.63 | -0.85, 136.88 | 427.55 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/28/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/28/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21