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: 6/20/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 06/22/2025 | 16:03:57 | -0.01, 140.76 | 0.04, 140.61 | 16.88 | 80 |
| 2 | 06/23/2025 | 15:42:34 | -0.01, 140.76 | -1.02, 145.13 | 499.16 | 80 |
| 3 | 06/25/2025 | 04:04:31 | 0.00, 140.76 | -0.19, 139.83 | 105.86 | 80 |
| 4 | 06/26/2025 | 03:48:26 | 0.00, 140.75 | 0.80, 144.36 | 410.81 | 80 |
| 5 | 06/27/2025 | 16:10:15 | 0.01, 140.74 | 0.36, 139.09 | 188.34 | 80 |
| 6 | 06/28/2025 | 15:48:50 | 0.01, 140.73 | -0.64, 143.62 | 328.85 | 80 |
| 7 | 06/30/2025 | 04:10:48 | -0.01, 140.72 | -0.57, 138.31 | 274.52 | 80 |
| 8 | 07/01/2025 | 03:54:44 | -0.01, 140.70 | 0.49, 142.83 | 243.45 | 80 |
| 9 | 07/02/2025 | 16:16:31 | 0.02, 140.67 | 0.73, 137.57 | 353.61 | 80 |
| 10 | 07/03/2025 | 15:55:08 | 0.02, 140.65 | -0.33, 142.09 | 164.62 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/20/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 06/20/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21