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: 10/8/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/09/2025 | 04:16:41 | 0.01, 140.65 | -0.84, 136.91 | 427.27 | 80 |
| 2 | 10/10/2025 | 04:00:35 | 0.01, 140.62 | 0.20, 141.44 | 93.79 | 80 |
| 3 | 10/12/2025 | 16:00:55 | -0.01, 140.59 | -0.04, 140.71 | 13.60 | 80 |
| 4 | 10/15/2025 | 04:04:04 | 0.01, 140.43 | -0.11, 139.95 | 54.76 | 80 |
| 5 | 10/16/2025 | 03:47:58 | 0.01, 140.38 | 0.93, 144.48 | 467.42 | 80 |
| 6 | 10/17/2025 | 16:09:44 | -0.01, 140.37 | 0.25, 139.22 | 130.92 | 80 |
| 7 | 10/18/2025 | 15:48:18 | -0.01, 140.32 | -0.80, 143.75 | 391.42 | 80 |
| 8 | 10/20/2025 | 04:10:12 | 0.01, 140.18 | -0.39, 138.46 | 196.83 | 80 |
| 9 | 10/21/2025 | 03:54:07 | 0.01, 140.13 | 0.66, 142.99 | 326.51 | 80 |
| 10 | 10/22/2025 | 16:15:52 | -0.01, 140.10 | 0.51, 137.73 | 269.49 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/8/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 10/08/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21