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: 7/16/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/17/2025 | 03:54:49 | -0.01, 140.75 | 0.44, 142.82 | 235.45 | 80 |
| 2 | 07/18/2025 | 16:16:38 | 0.00, 140.74 | 0.69, 137.54 | 364.44 | 80 |
| 3 | 07/19/2025 | 15:55:13 | -0.01, 140.74 | -0.31, 142.07 | 152.15 | 80 |
| 4 | 07/21/2025 | 04:17:10 | 0.01, 140.73 | -0.87, 136.76 | 451.57 | 80 |
| 5 | 07/22/2025 | 04:01:06 | 0.01, 140.72 | 0.14, 141.30 | 65.81 | 80 |
| 6 | 07/24/2025 | 16:04:09 | 0.00, 140.69 | 0.05, 140.56 | 15.05 | 80 |
| 7 | 07/27/2025 | 04:04:42 | -0.00, 140.65 | -0.21, 139.78 | 98.71 | 80 |
| 8 | 07/28/2025 | 03:48:37 | -0.00, 140.62 | 0.80, 144.31 | 420.15 | 80 |
| 9 | 07/29/2025 | 16:10:25 | 0.01, 140.58 | 0.34, 139.04 | 175.88 | 80 |
| 10 | 07/30/2025 | 15:49:01 | 0.01, 140.56 | -0.67, 143.57 | 343.18 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/16/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 07/16/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21