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: 11/23/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/24/2025 | 15:54:40 | 0.02, 140.78 | -0.32, 142.29 | 172.22 | 80 |
| 2 | 11/26/2025 | 04:16:40 | -0.02, 140.80 | -0.90, 136.98 | 436.64 | 80 |
| 3 | 11/27/2025 | 04:00:37 | -0.01, 140.81 | 0.13, 141.50 | 78.30 | 80 |
| 4 | 11/29/2025 | 16:03:45 | 0.01, 140.80 | 0.00, 140.74 | 7.13 | 80 |
| 5 | 12/02/2025 | 04:07:01 | -0.02, 140.83 | -0.23, 139.96 | 98.70 | 80 |
| 6 | 12/03/2025 | 03:48:18 | -0.02, 140.83 | 0.81, 144.48 | 417.01 | 80 |
| 7 | 12/04/2025 | 16:10:09 | 0.03, 140.81 | 0.36, 139.20 | 182.47 | 80 |
| 8 | 12/05/2025 | 15:48:45 | 0.02, 140.81 | -0.62, 143.74 | 333.12 | 80 |
| 9 | 12/07/2025 | 04:13:24 | -0.03, 140.83 | -0.56, 138.42 | 273.87 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/23/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/23/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21