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: 8/31/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/02/2025 | 04:10:53 | 0.00, 140.77 | -0.53, 138.29 | 283.01 | 80 |
| 2 | 09/03/2025 | 03:54:48 | 0.00, 140.78 | 0.45, 142.83 | 233.10 | 80 |
| 3 | 09/04/2025 | 16:16:36 | -0.00, 140.77 | 0.69, 137.55 | 366.86 | 80 |
| 4 | 09/05/2025 | 15:55:11 | -0.00, 140.78 | -0.30, 142.09 | 149.59 | 80 |
| 5 | 09/07/2025 | 04:17:06 | 0.00, 140.78 | -0.87, 136.79 | 455.26 | 80 |
| 6 | 09/08/2025 | 04:01:00 | 0.00, 140.78 | 0.12, 141.32 | 61.79 | 80 |
| 7 | 09/10/2025 | 16:04:03 | -0.00, 140.76 | 0.02, 140.58 | 19.49 | 80 |
| 8 | 09/11/2025 | 15:42:38 | -0.00, 140.75 | -0.98, 145.12 | 497.87 | 80 |
| 9 | 09/13/2025 | 04:04:32 | 0.00, 140.75 | -0.23, 139.83 | 106.14 | 80 |
| 10 | 09/14/2025 | 03:48:28 | -0.00, 140.75 | 0.83, 144.35 | 411.41 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/31/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 08/31/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21