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: 5/21/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 05/24/2025 | 04:04:08 | 0.00, 140.75 | -0.18, 139.92 | 94.33 | 80 |
| 2 | 05/25/2025 | 03:48:05 | 0.00, 140.75 | 0.85, 144.45 | 422.26 | 80 |
| 3 | 05/26/2025 | 16:09:54 | -0.00, 140.73 | 0.34, 139.17 | 177.39 | 80 |
| 4 | 05/27/2025 | 15:48:31 | -0.00, 140.72 | -0.69, 143.70 | 339.27 | 80 |
| 5 | 05/29/2025 | 04:10:28 | -0.00, 140.72 | -0.50, 138.39 | 265.07 | 80 |
| 6 | 05/30/2025 | 03:54:23 | -0.01, 140.71 | 0.47, 142.93 | 252.26 | 80 |
| 7 | 05/31/2025 | 16:16:13 | 0.01, 140.68 | 0.71, 137.65 | 345.67 | 80 |
| 8 | 06/01/2025 | 15:54:49 | 0.01, 140.66 | -0.33, 142.17 | 172.11 | 80 |
| 9 | 06/03/2025 | 04:16:47 | -0.01, 140.64 | -0.86, 136.86 | 430.64 | 80 |
| 10 | 06/04/2025 | 04:00:43 | -0.01, 140.62 | 0.18, 141.39 | 87.95 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/21/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 05/21/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21