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: 11/2/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/02/2025 | 16:09:15 | -0.00, 140.72 | 0.31, 139.37 | 154.00 | 80 |
| 2 | 11/03/2025 | 15:47:49 | 0.00, 140.71 | -0.71, 143.91 | 364.76 | 80 |
| 3 | 11/05/2025 | 04:09:43 | -0.00, 140.70 | -0.46, 138.62 | 237.07 | 80 |
| 4 | 11/06/2025 | 03:53:36 | -0.00, 140.68 | 0.55, 143.16 | 282.01 | 80 |
| 5 | 11/07/2025 | 16:15:21 | 0.00, 140.65 | 0.62, 137.90 | 312.91 | 80 |
| 6 | 11/08/2025 | 15:53:54 | 0.01, 140.63 | -0.40, 142.44 | 206.23 | 80 |
| 7 | 11/10/2025 | 04:15:49 | -0.01, 140.62 | -0.76, 137.15 | 395.25 | 80 |
| 8 | 11/11/2025 | 03:59:42 | 0.01, 140.60 | 0.26, 141.68 | 124.18 | 80 |
| 9 | 11/12/2025 | 16:21:26 | -0.01, 140.54 | 0.90, 136.43 | 468.93 | 80 |
| 10 | 11/13/2025 | 16:00:00 | -0.02, 140.52 | -0.12, 140.97 | 51.27 | 80 |
| 11 | 11/16/2025 | 04:05:47 | 0.01, 140.45 | -0.05, 140.22 | 27.37 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/2/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/02/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21