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: 5/20/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 05/21/2025 | 16:03:34 | 0.00, 140.76 | 0.04, 140.71 | 6.74 | 80 |
| 2 | 05/24/2025 | 04:04:08 | 0.00, 140.75 | -0.21, 139.93 | 94.37 | 80 |
| 3 | 05/25/2025 | 03:48:04 | 0.00, 140.75 | 0.82, 144.45 | 422.25 | 80 |
| 4 | 05/26/2025 | 16:09:54 | -0.00, 140.73 | 0.37, 139.18 | 177.47 | 80 |
| 5 | 05/27/2025 | 15:48:30 | -0.00, 140.73 | -0.66, 143.70 | 339.18 | 80 |
| 6 | 05/29/2025 | 04:10:27 | -0.00, 140.72 | -0.53, 138.39 | 265.14 | 80 |
| 7 | 05/30/2025 | 03:54:24 | -0.01, 140.71 | 0.50, 142.92 | 252.18 | 80 |
| 8 | 05/31/2025 | 16:16:13 | 0.01, 140.68 | 0.67, 137.64 | 345.77 | 80 |
| 9 | 06/01/2025 | 15:54:49 | 0.01, 140.66 | -0.31, 142.18 | 172.01 | 80 |
| 10 | 06/03/2025 | 04:16:46 | -0.01, 140.64 | -0.88, 136.87 | 430.77 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/20/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 05/20/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21