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: 8/6/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 08/07/2025 | 04:01:07 | -0.01, 140.78 | 0.09, 141.30 | 59.23 | 80 |
| 2 | 08/09/2025 | 16:04:11 | 0.01, 140.78 | 0.03, 140.55 | 25.91 | 80 |
| 3 | 08/10/2025 | 15:42:46 | 0.00, 140.78 | -0.99, 145.08 | 490.62 | 80 |
| 4 | 08/12/2025 | 04:04:42 | -0.00, 140.78 | -0.20, 139.78 | 113.02 | 80 |
| 5 | 08/13/2025 | 03:48:37 | -0.00, 140.77 | 0.77, 144.32 | 404.09 | 80 |
| 6 | 08/14/2025 | 16:10:25 | 0.00, 140.76 | 0.38, 139.04 | 195.56 | 80 |
| 7 | 08/15/2025 | 15:49:01 | 0.01, 140.76 | -0.64, 143.57 | 321.45 | 80 |
| 8 | 08/17/2025 | 04:10:56 | -0.01, 140.75 | -0.58, 138.28 | 281.78 | 80 |
| 9 | 08/18/2025 | 03:54:52 | -0.01, 140.74 | 0.45, 142.81 | 235.64 | 80 |
| 10 | 08/19/2025 | 16:16:40 | 0.01, 140.72 | 0.71, 137.53 | 363.11 | 80 |
| 11 | 08/20/2025 | 15:55:15 | 0.01, 140.71 | -0.31, 142.06 | 154.52 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/6/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 08/06/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21