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: 9/10/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/13/2025 | 04:04:33 | -0.00, 140.67 | -0.20, 139.82 | 96.02 | 80 |
| 2 | 09/14/2025 | 03:48:28 | -0.00, 140.64 | 0.85, 144.35 | 423.69 | 80 |
| 3 | 09/15/2025 | 16:10:16 | -0.00, 140.61 | 0.33, 139.08 | 173.45 | 80 |
| 4 | 09/16/2025 | 15:48:50 | -0.00, 140.58 | -0.66, 143.62 | 346.48 | 80 |
| 5 | 09/18/2025 | 04:10:46 | 0.00, 140.51 | -0.49, 138.32 | 250.31 | 80 |
| 6 | 09/19/2025 | 03:54:40 | 0.00, 140.47 | 0.51, 142.85 | 270.64 | 80 |
| 7 | 09/20/2025 | 16:16:28 | -0.00, 140.42 | 0.61, 137.57 | 323.91 | 80 |
| 8 | 09/21/2025 | 15:55:03 | -0.00, 140.38 | -0.39, 142.11 | 197.39 | 80 |
| 9 | 09/23/2025 | 04:16:58 | 0.00, 140.30 | -0.77, 136.81 | 397.94 | 80 |
| 10 | 09/24/2025 | 04:00:53 | 0.00, 140.25 | 0.24, 141.34 | 124.01 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/10/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 09/10/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21