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: 4/19/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 04/22/2025 | 04:03:35 | -0.03, 140.76 | -0.16, 140.07 | 77.96 | 80 |
| 2 | 04/23/2025 | 03:47:29 | -0.03, 140.75 | 0.85, 144.61 | 440.23 | 80 |
| 3 | 04/24/2025 | 16:09:14 | 0.03, 140.74 | 0.32, 139.35 | 158.42 | 80 |
| 4 | 04/25/2025 | 15:47:47 | 0.03, 140.73 | -0.70, 143.89 | 359.92 | 80 |
| 5 | 04/27/2025 | 04:09:40 | -0.03, 140.71 | -0.52, 138.60 | 240.47 | 80 |
| 6 | 04/28/2025 | 03:53:33 | -0.03, 140.70 | 0.51, 143.14 | 278.30 | 80 |
| 7 | 04/29/2025 | 16:15:18 | 0.03, 140.68 | 0.66, 137.88 | 319.38 | 80 |
| 8 | 04/30/2025 | 15:53:52 | 0.03, 140.67 | -0.37, 142.41 | 199.30 | 80 |
| 9 | 05/02/2025 | 04:15:44 | -0.03, 140.64 | -0.83, 137.13 | 400.79 | 80 |
| 10 | 05/03/2025 | 03:59:38 | -0.03, 140.62 | 0.21, 141.66 | 118.74 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/19/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 04/19/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21