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: 7/12/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/13/2025 | 16:10:21 | -0.03, 140.77 | 0.38, 139.06 | 195.02 | 80 |
| 2 | 07/14/2025 | 15:48:56 | -0.02, 140.77 | -0.63, 143.60 | 321.68 | 80 |
| 3 | 07/16/2025 | 04:10:55 | 0.02, 140.76 | -0.51, 138.28 | 282.19 | 80 |
| 4 | 07/17/2025 | 03:54:50 | 0.02, 140.75 | 0.50, 142.81 | 235.08 | 80 |
| 5 | 07/18/2025 | 16:16:37 | -0.02, 140.73 | 0.70, 137.54 | 363.65 | 80 |
| 6 | 07/19/2025 | 15:55:13 | -0.03, 140.72 | -0.30, 142.07 | 153.43 | 80 |
| 7 | 07/21/2025 | 04:17:10 | 0.03, 140.71 | -0.88, 136.77 | 450.41 | 80 |
| 8 | 07/22/2025 | 04:01:07 | 0.03, 140.70 | 0.18, 141.28 | 67.17 | 80 |
| 9 | 07/24/2025 | 16:04:10 | -0.03, 140.66 | 0.01, 140.55 | 12.70 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/12/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 07/12/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21