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: 4/25/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 04/27/2025 | 04:09:52 | -0.02, 140.77 | -0.49, 138.55 | 252.47 | 80 |
| 2 | 04/28/2025 | 03:53:49 | -0.02, 140.77 | 0.51, 143.07 | 262.89 | 80 |
| 3 | 04/29/2025 | 16:15:39 | 0.02, 140.77 | 0.67, 137.79 | 338.74 | 80 |
| 4 | 04/30/2025 | 15:54:16 | 0.03, 140.77 | -0.33, 142.32 | 176.78 | 80 |
| 5 | 05/02/2025 | 04:16:13 | -0.03, 140.78 | -0.88, 137.02 | 429.17 | 80 |
| 6 | 05/03/2025 | 04:00:10 | -0.03, 140.78 | 0.13, 141.54 | 86.96 | 80 |
| 7 | 05/05/2025 | 16:00:36 | 0.04, 140.76 | 0.03, 140.79 | 3.72 | 80 |
| 8 | 05/08/2025 | 04:03:50 | -0.04, 140.73 | -0.20, 140.00 | 83.02 | 80 |
| 9 | 05/09/2025 | 03:47:47 | -0.04, 140.72 | 0.82, 144.53 | 434.62 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/25/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 04/25/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21