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: 9/8/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/10/2025 | 16:04:03 | -0.03, 140.74 | 0.01, 140.58 | 18.35 | 80 |
| 2 | 09/11/2025 | 15:42:38 | -0.03, 140.74 | -0.98, 145.12 | 499.27 | 80 |
| 3 | 09/13/2025 | 04:04:33 | 0.03, 140.72 | -0.18, 139.82 | 102.97 | 80 |
| 4 | 09/14/2025 | 03:48:28 | 0.03, 140.71 | 0.82, 144.36 | 414.87 | 80 |
| 5 | 09/15/2025 | 16:10:16 | -0.04, 140.69 | 0.31, 139.08 | 183.73 | 80 |
| 6 | 09/16/2025 | 15:48:51 | -0.04, 140.68 | -0.69, 143.61 | 334.39 | 80 |
| 7 | 09/18/2025 | 04:10:46 | 0.05, 140.65 | -0.46, 138.31 | 266.84 | 80 |
| 8 | 09/19/2025 | 03:54:41 | 0.05, 140.63 | 0.54, 142.85 | 252.20 | 80 |
| 9 | 09/20/2025 | 16:16:28 | -0.05, 140.59 | 0.63, 137.58 | 343.99 | 80 |
| 10 | 09/21/2025 | 15:55:02 | -0.05, 140.57 | -0.37, 142.11 | 175.58 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/8/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 09/08/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21