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: 5/12/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 05/13/2025 | 04:10:12 | -0.00, 140.75 | -0.52, 138.46 | 260.93 | 80 |
| 2 | 05/14/2025 | 03:54:08 | 0.00, 140.75 | 0.50, 142.99 | 255.55 | 80 |
| 3 | 05/15/2025 | 16:15:59 | -0.01, 140.73 | 0.66, 137.71 | 344.40 | 80 |
| 4 | 05/16/2025 | 15:54:35 | -0.01, 140.72 | -0.36, 142.23 | 172.04 | 80 |
| 5 | 05/18/2025 | 04:16:33 | 0.02, 140.72 | -0.83, 136.92 | 432.57 | 80 |
| 6 | 05/19/2025 | 04:00:29 | 0.01, 140.71 | 0.19, 141.45 | 84.64 | 80 |
| 7 | 05/21/2025 | 16:00:55 | -0.01, 140.66 | -0.01, 140.70 | 4.07 | 80 |
| 8 | 05/24/2025 | 04:04:09 | 0.02, 140.63 | -0.16, 139.92 | 81.75 | 80 |
| 9 | 05/25/2025 | 03:48:05 | 0.02, 140.61 | 0.87, 144.44 | 436.20 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/12/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 05/12/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21