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: 9/11/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/11/2025 | 15:42:38 | 0.01, 140.76 | -0.97, 145.12 | 497.97 | 80 |
| 2 | 09/13/2025 | 04:04:33 | -0.00, 140.73 | -0.19, 139.82 | 103.12 | 80 |
| 3 | 09/14/2025 | 03:48:28 | -0.00, 140.72 | 0.80, 144.36 | 414.34 | 80 |
| 4 | 09/15/2025 | 16:10:15 | -0.00, 140.73 | 0.38, 139.09 | 186.41 | 80 |
| 5 | 09/16/2025 | 15:48:50 | -0.00, 140.72 | -0.68, 143.62 | 331.33 | 80 |
| 6 | 09/18/2025 | 04:10:45 | 0.00, 140.68 | -0.54, 138.33 | 268.73 | 80 |
| 7 | 09/19/2025 | 03:54:40 | 0.00, 140.66 | 0.52, 142.85 | 249.97 | 80 |
| 8 | 09/20/2025 | 16:16:28 | -0.00, 140.64 | 0.66, 137.58 | 348.24 | 80 |
| 9 | 09/21/2025 | 15:55:02 | -0.00, 140.62 | -0.34, 142.12 | 170.85 | 80 |
| 10 | 09/23/2025 | 04:16:57 | 0.00, 140.57 | -0.82, 136.82 | 427.71 | 80 |
| 11 | 09/24/2025 | 04:00:52 | 0.00, 140.55 | 0.19, 141.35 | 91.99 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/11/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 09/11/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21