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: 4/24/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 04/25/2025 | 15:47:54 | 0.02, 140.73 | -0.69, 143.86 | 356.58 | 80 |
| 2 | 04/27/2025 | 04:09:52 | -0.02, 140.71 | -0.48, 138.55 | 246.10 | 80 |
| 3 | 04/28/2025 | 03:53:49 | -0.01, 140.69 | 0.51, 143.07 | 271.05 | 80 |
| 4 | 04/29/2025 | 16:15:39 | 0.01, 140.68 | 0.67, 137.79 | 328.97 | 80 |
| 5 | 04/30/2025 | 15:54:16 | 0.02, 140.66 | -0.33, 142.32 | 188.25 | 80 |
| 6 | 05/02/2025 | 04:16:14 | -0.02, 140.64 | -0.83, 137.01 | 413.80 | 80 |
| 7 | 05/03/2025 | 04:00:11 | -0.03, 140.62 | 0.17, 141.53 | 104.20 | 80 |
| 8 | 05/04/2025 | 16:22:01 | 0.04, 140.58 | 1.01, 136.25 | 493.86 | 80 |
| 9 | 05/05/2025 | 16:00:37 | 0.04, 140.56 | -0.00, 140.78 | 24.58 | 80 |
| 10 | 05/08/2025 | 04:03:52 | -0.04, 140.49 | -0.13, 139.98 | 56.70 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/24/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 04/24/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21