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: 11/27/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/29/2025 | 16:03:45 | 0.01, 140.78 | -0.01, 140.74 | 4.93 | 80 |
| 2 | 12/02/2025 | 04:04:21 | -0.02, 140.80 | -0.22, 139.96 | 96.24 | 80 |
| 3 | 12/03/2025 | 03:48:18 | -0.02, 140.81 | 0.82, 144.48 | 419.34 | 80 |
| 4 | 12/04/2025 | 16:10:08 | 0.02, 140.79 | 0.40, 139.22 | 180.60 | 80 |
| 5 | 12/05/2025 | 15:48:45 | 0.02, 140.80 | -0.63, 143.74 | 334.81 | 80 |
| 6 | 12/07/2025 | 04:10:45 | -0.03, 140.81 | -0.55, 138.42 | 272.25 | 80 |
| 7 | 12/08/2025 | 03:52:01 | -0.02, 140.81 | 0.44, 142.95 | 243.85 | 80 |
| 8 | 12/09/2025 | 16:16:31 | 0.03, 140.78 | 0.72, 137.67 | 354.37 | 80 |
| 9 | 12/10/2025 | 15:55:09 | 0.02, 140.77 | -0.32, 142.19 | 162.22 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/27/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/27/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21