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: 10/12/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 10/15/2025 | 04:04:03 | 0.02, 140.77 | -0.14, 139.96 | 92.33 | 80 |
| 2 | 10/16/2025 | 03:47:57 | 0.02, 140.78 | 0.85, 144.50 | 424.44 | 80 |
| 3 | 10/17/2025 | 16:09:42 | -0.03, 140.77 | 0.33, 139.24 | 173.88 | 80 |
| 4 | 10/18/2025 | 15:48:17 | -0.02, 140.77 | -0.72, 143.77 | 343.43 | 80 |
| 5 | 10/20/2025 | 04:10:11 | 0.03, 140.77 | -0.47, 138.48 | 260.59 | 80 |
| 6 | 10/21/2025 | 03:54:05 | 0.02, 140.76 | 0.53, 143.02 | 257.30 | 80 |
| 7 | 10/22/2025 | 16:15:50 | -0.03, 140.74 | 0.64, 137.76 | 339.38 | 80 |
| 8 | 10/23/2025 | 15:54:23 | -0.03, 140.74 | -0.36, 142.30 | 178.52 | 80 |
| 9 | 10/25/2025 | 04:16:18 | 0.03, 140.74 | -0.82, 137.01 | 425.15 | 80 |
| 10 | 10/26/2025 | 04:00:12 | 0.04, 140.73 | 0.24, 141.54 | 93.12 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/12/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 10/12/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21