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: 11/30/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 12/02/2025 | 04:04:21 | -0.02, 140.77 | -0.21, 139.96 | 91.99 | 80 |
| 2 | 12/03/2025 | 03:48:19 | -0.02, 140.76 | 0.83, 144.48 | 423.95 | 80 |
| 3 | 12/04/2025 | 16:10:08 | 0.03, 140.75 | 0.39, 139.21 | 175.85 | 80 |
| 4 | 12/05/2025 | 15:48:46 | 0.02, 140.75 | -0.65, 143.73 | 339.90 | 80 |
| 5 | 12/07/2025 | 04:10:45 | -0.03, 140.76 | -0.54, 138.42 | 266.22 | 80 |
| 6 | 12/08/2025 | 03:54:41 | -0.02, 140.75 | 0.44, 142.95 | 250.27 | 80 |
| 7 | 12/09/2025 | 16:16:32 | 0.03, 140.72 | 0.72, 137.67 | 347.76 | 80 |
| 8 | 12/10/2025 | 15:55:09 | 0.02, 140.71 | -0.32, 142.19 | 169.16 | 80 |
| 9 | 12/12/2025 | 04:19:47 | -0.03, 140.70 | -0.90, 136.89 | 435.07 | 80 |
| 10 | 12/13/2025 | 03:58:25 | -0.02, 140.68 | 0.14, 141.41 | 82.73 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/30/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/30/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21