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: 12/1/2025
| 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 | -0.03, 140.72 | -0.22, 139.96 | 87.09 | 80 |
| 2 | 12/03/2025 | 03:48:19 | -0.03, 140.73 | 0.82, 144.48 | 428.50 | 80 |
| 3 | 12/04/2025 | 16:10:08 | 0.03, 140.75 | 0.40, 139.22 | 175.80 | 80 |
| 4 | 12/05/2025 | 15:48:45 | 0.03, 140.76 | -0.63, 143.74 | 339.57 | 80 |
| 5 | 12/07/2025 | 04:10:45 | -0.03, 140.74 | -0.55, 138.42 | 264.00 | 80 |
| 6 | 12/08/2025 | 03:54:42 | -0.03, 140.73 | 0.49, 142.94 | 252.17 | 80 |
| 7 | 12/09/2025 | 16:16:31 | 0.02, 140.74 | 0.73, 137.68 | 350.19 | 80 |
| 8 | 12/10/2025 | 15:55:09 | 0.02, 140.74 | -0.31, 142.20 | 166.33 | 80 |
| 9 | 12/12/2025 | 04:17:08 | -0.01, 140.70 | -0.86, 136.88 | 435.64 | 80 |
| 10 | 12/13/2025 | 04:01:05 | -0.02, 140.69 | 0.13, 141.41 | 81.87 | 80 |
| 11 | 12/15/2025 | 16:04:13 | 0.01, 140.66 | -0.01, 140.65 | 2.81 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 12/1/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 12/01/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21