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: 6/19/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 06/20/2025 | 04:00:53 | 0.00, 140.76 | 0.13, 141.35 | 67.77 | 80 |
| 2 | 06/22/2025 | 16:03:57 | -0.01, 140.75 | 0.05, 140.61 | 16.35 | 80 |
| 3 | 06/25/2025 | 04:04:31 | 0.00, 140.74 | -0.20, 139.83 | 103.51 | 80 |
| 4 | 06/26/2025 | 03:48:26 | -0.00, 140.73 | 0.80, 144.36 | 413.70 | 80 |
| 5 | 06/27/2025 | 16:10:15 | 0.01, 140.71 | 0.36, 139.09 | 185.05 | 80 |
| 6 | 06/28/2025 | 15:48:50 | 0.01, 140.70 | -0.63, 143.62 | 332.59 | 80 |
| 7 | 06/30/2025 | 04:10:47 | -0.01, 140.67 | -0.57, 138.31 | 269.70 | 80 |
| 8 | 07/01/2025 | 03:54:44 | -0.01, 140.65 | 0.49, 142.83 | 248.81 | 80 |
| 9 | 07/02/2025 | 16:16:31 | 0.02, 140.62 | 0.72, 137.57 | 347.71 | 80 |
| 10 | 07/03/2025 | 15:55:08 | 0.02, 140.59 | -0.33, 142.09 | 170.99 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/19/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 06/19/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21