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: 8/4/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 08/06/2025 | 04:17:12 | -0.01, 140.78 | -0.88, 136.76 | 457.21 | 80 |
| 2 | 08/07/2025 | 04:01:07 | -0.01, 140.78 | 0.08, 141.30 | 58.84 | 80 |
| 3 | 08/09/2025 | 16:04:11 | 0.02, 140.79 | 0.04, 140.55 | 26.15 | 80 |
| 4 | 08/10/2025 | 15:42:45 | 0.02, 140.79 | -0.92, 145.10 | 490.35 | 80 |
| 5 | 08/12/2025 | 04:04:41 | -0.02, 140.78 | -0.26, 139.79 | 113.61 | 80 |
| 6 | 08/13/2025 | 03:48:37 | -0.02, 140.78 | 0.76, 144.32 | 403.33 | 80 |
| 7 | 08/14/2025 | 16:10:25 | 0.02, 140.77 | 0.39, 139.04 | 196.22 | 80 |
| 8 | 08/15/2025 | 15:49:01 | 0.02, 140.77 | -0.64, 143.57 | 320.63 | 80 |
| 9 | 08/17/2025 | 04:10:56 | -0.03, 140.76 | -0.59, 138.28 | 283.00 | 80 |
| 10 | 08/18/2025 | 03:54:52 | -0.03, 140.75 | 0.44, 142.81 | 234.27 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/4/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 08/04/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21