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: 9/25/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/26/2025 | 16:03:53 | -0.01, 140.76 | 0.02, 140.64 | 14.39 | 80 |
| 2 | 09/29/2025 | 04:04:22 | 0.02, 140.72 | -0.15, 139.87 | 96.27 | 80 |
| 3 | 09/30/2025 | 03:48:17 | 0.01, 140.72 | 0.87, 144.40 | 420.58 | 80 |
| 4 | 10/01/2025 | 16:10:03 | -0.02, 140.77 | 0.33, 139.14 | 185.43 | 80 |
| 5 | 10/02/2025 | 15:48:38 | -0.02, 140.77 | -0.70, 143.68 | 331.45 | 80 |
| 6 | 10/04/2025 | 04:10:32 | 0.02, 140.72 | -0.50, 138.38 | 266.12 | 80 |
| 7 | 10/05/2025 | 03:54:27 | 0.02, 140.71 | 0.53, 142.92 | 251.69 | 80 |
| 8 | 10/06/2025 | 16:16:13 | -0.02, 140.75 | 0.64, 137.65 | 351.99 | 80 |
| 9 | 10/07/2025 | 15:54:46 | -0.02, 140.74 | -0.33, 142.20 | 165.72 | 80 |
| 10 | 10/09/2025 | 04:16:41 | 0.02, 140.68 | -0.86, 136.90 | 431.65 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/25/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 09/25/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21