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: 6/17/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 06/19/2025 | 04:16:57 | -0.00, 140.76 | -0.88, 136.82 | 448.89 | 80 |
| 2 | 06/20/2025 | 04:00:53 | 0.00, 140.76 | 0.11, 141.36 | 67.61 | 80 |
| 3 | 06/22/2025 | 16:03:58 | -0.01, 140.75 | 0.01, 140.60 | 16.42 | 80 |
| 4 | 06/25/2025 | 04:04:30 | 0.00, 140.74 | -0.22, 139.83 | 104.09 | 80 |
| 5 | 06/26/2025 | 03:48:27 | -0.00, 140.73 | 0.83, 144.35 | 413.09 | 80 |
| 6 | 06/27/2025 | 16:10:14 | 0.01, 140.72 | 0.38, 139.09 | 185.48 | 80 |
| 7 | 06/28/2025 | 15:48:51 | 0.01, 140.70 | -0.67, 143.61 | 332.10 | 80 |
| 8 | 06/30/2025 | 04:10:48 | -0.01, 140.68 | -0.53, 138.30 | 270.57 | 80 |
| 9 | 07/01/2025 | 03:54:44 | -0.01, 140.66 | 0.47, 142.84 | 247.87 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/17/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 06/17/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21