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: 11/6/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/07/2025 | 16:15:29 | -0.00, 140.76 | 0.64, 137.87 | 328.67 | 80 |
| 2 | 11/08/2025 | 15:54:07 | -0.00, 140.76 | -0.36, 142.40 | 186.98 | 80 |
| 3 | 11/10/2025 | 04:16:07 | -0.00, 140.75 | -0.85, 137.08 | 419.03 | 80 |
| 4 | 11/11/2025 | 04:00:05 | -0.00, 140.75 | 0.21, 141.59 | 97.45 | 80 |
| 5 | 11/13/2025 | 16:00:33 | 0.00, 140.71 | -0.01, 140.85 | 15.67 | 80 |
| 6 | 11/16/2025 | 04:03:52 | -0.00, 140.67 | -0.12, 140.04 | 71.04 | 80 |
| 7 | 11/17/2025 | 03:47:50 | -0.01, 140.65 | 0.89, 144.56 | 446.92 | 80 |
| 8 | 11/18/2025 | 16:09:40 | 0.01, 140.60 | 0.31, 139.29 | 149.84 | 80 |
| 9 | 11/19/2025 | 15:48:18 | 0.02, 140.58 | -0.71, 143.81 | 368.15 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/6/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/06/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21