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: 7/11/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/12/2025 | 03:48:33 | 0.01, 140.77 | 0.79, 144.34 | 405.50 | 80 |
| 2 | 07/13/2025 | 16:10:21 | -0.00, 140.77 | 0.35, 139.06 | 194.30 | 80 |
| 3 | 07/14/2025 | 15:48:57 | -0.00, 140.77 | -0.65, 143.59 | 322.32 | 80 |
| 4 | 07/16/2025 | 04:10:54 | -0.00, 140.76 | -0.54, 138.28 | 282.13 | 80 |
| 5 | 07/17/2025 | 03:54:50 | -0.00, 140.75 | 0.46, 142.81 | 235.05 | 80 |
| 6 | 07/18/2025 | 16:16:37 | 0.01, 140.73 | 0.74, 137.55 | 363.40 | 80 |
| 7 | 07/19/2025 | 15:55:12 | 0.01, 140.73 | -0.27, 142.08 | 153.67 | 80 |
| 8 | 07/21/2025 | 04:17:10 | -0.01, 140.72 | -0.92, 136.77 | 450.62 | 80 |
| 9 | 07/22/2025 | 04:01:05 | -0.02, 140.71 | 0.09, 141.30 | 66.98 | 80 |
| 10 | 07/24/2025 | 16:04:09 | 0.02, 140.67 | 0.05, 140.56 | 12.54 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/11/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 07/11/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21