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: 5/16/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 05/18/2025 | 04:16:32 | -0.01, 140.77 | -0.85, 136.93 | 437.70 | 80 |
| 2 | 05/19/2025 | 04:00:28 | -0.02, 140.77 | 0.11, 141.47 | 78.84 | 80 |
| 3 | 05/21/2025 | 16:03:35 | 0.02, 140.75 | 0.01, 140.71 | 4.96 | 80 |
| 4 | 05/24/2025 | 04:04:08 | -0.02, 140.73 | -0.18, 139.92 | 91.66 | 80 |
| 5 | 05/25/2025 | 03:48:04 | -0.02, 140.72 | 0.79, 144.46 | 425.55 | 80 |
| 6 | 05/26/2025 | 16:09:54 | 0.01, 140.70 | 0.34, 139.17 | 173.46 | 80 |
| 7 | 05/27/2025 | 15:48:31 | 0.01, 140.68 | -0.69, 143.69 | 343.75 | 80 |
| 8 | 05/29/2025 | 04:10:28 | -0.00, 140.67 | -0.50, 138.39 | 260.25 | 80 |
| 9 | 05/30/2025 | 03:54:24 | -0.01, 140.66 | 0.47, 142.92 | 257.66 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/16/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 05/16/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21