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: 10/9/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/10/2025 | 04:00:35 | 0.01, 140.62 | 0.17, 141.44 | 93.85 | 80 |
| 2 | 10/12/2025 | 16:00:55 | -0.01, 140.59 | -0.01, 140.72 | 13.94 | 80 |
| 3 | 10/15/2025 | 04:04:04 | 0.01, 140.43 | -0.08, 139.94 | 54.72 | 80 |
| 4 | 10/16/2025 | 03:47:58 | 0.01, 140.38 | 0.91, 144.49 | 467.48 | 80 |
| 5 | 10/17/2025 | 16:09:44 | -0.01, 140.37 | 0.22, 139.22 | 130.88 | 80 |
| 6 | 10/18/2025 | 15:48:18 | -0.01, 140.32 | -0.77, 143.76 | 391.48 | 80 |
| 7 | 10/20/2025 | 04:10:13 | 0.01, 140.18 | -0.36, 138.45 | 196.76 | 80 |
| 8 | 10/21/2025 | 03:54:07 | 0.01, 140.13 | 0.64, 143.00 | 326.59 | 80 |
| 9 | 10/22/2025 | 16:15:52 | -0.01, 140.10 | 0.54, 137.74 | 269.40 | 80 |
| 10 | 10/23/2025 | 15:54:26 | -0.00, 140.05 | -0.52, 142.27 | 253.58 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/9/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 10/09/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21