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: 7/7/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/08/2025 | 16:04:04 | -0.01, 140.76 | 0.04, 140.58 | 20.79 | 80 |
| 2 | 07/09/2025 | 15:42:40 | -0.01, 140.77 | -0.96, 145.12 | 494.71 | 80 |
| 3 | 07/11/2025 | 04:04:38 | 0.01, 140.78 | -0.19, 139.80 | 111.43 | 80 |
| 4 | 07/12/2025 | 03:48:33 | 0.01, 140.78 | 0.82, 144.33 | 404.82 | 80 |
| 5 | 07/13/2025 | 16:10:21 | -0.00, 140.77 | 0.38, 139.06 | 194.73 | 80 |
| 6 | 07/14/2025 | 15:48:56 | -0.00, 140.77 | -0.62, 143.60 | 321.71 | 80 |
| 7 | 07/16/2025 | 04:10:54 | -0.00, 140.77 | -0.57, 138.29 | 283.43 | 80 |
| 8 | 07/17/2025 | 03:54:49 | -0.00, 140.76 | 0.43, 142.82 | 233.63 | 80 |
| 9 | 07/18/2025 | 16:16:37 | 0.01, 140.74 | 0.71, 137.54 | 364.57 | 80 |
| 10 | 07/19/2025 | 15:55:13 | 0.01, 140.74 | -0.30, 142.07 | 152.38 | 80 |
| 11 | 07/21/2025 | 04:17:10 | -0.01, 140.74 | -0.89, 136.77 | 452.47 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/7/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 07/07/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21