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: 6/25/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 06/26/2025 | 03:48:27 | 0.04, 140.78 | 0.86, 144.35 | 407.68 | 80 |
| 2 | 06/27/2025 | 16:10:15 | -0.04, 140.76 | 0.36, 139.09 | 191.56 | 80 |
| 3 | 06/28/2025 | 15:48:51 | -0.04, 140.75 | -0.70, 143.61 | 325.98 | 80 |
| 4 | 06/30/2025 | 04:10:49 | 0.05, 140.72 | -0.51, 138.30 | 276.36 | 80 |
| 5 | 07/01/2025 | 03:54:45 | 0.05, 140.70 | 0.54, 142.82 | 241.99 | 80 |
| 6 | 07/02/2025 | 16:16:32 | -0.05, 140.67 | 0.67, 137.56 | 355.04 | 80 |
| 7 | 07/03/2025 | 15:55:09 | -0.05, 140.65 | -0.39, 142.08 | 163.52 | 80 |
| 8 | 07/05/2025 | 04:17:06 | 0.05, 140.61 | -0.81, 136.77 | 437.85 | 80 |
| 9 | 07/06/2025 | 04:01:03 | 0.06, 140.59 | 0.24, 141.29 | 81.09 | 80 |
| 10 | 07/08/2025 | 16:01:27 | -0.06, 140.52 | -0.09, 140.55 | 4.53 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/25/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 06/25/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21