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: 6/15/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 06/16/2025 | 16:16:24 | -0.02, 140.76 | 0.71, 137.60 | 360.49 | 80 |
| 2 | 06/17/2025 | 15:55:00 | -0.02, 140.76 | -0.34, 142.12 | 156.44 | 80 |
| 3 | 06/19/2025 | 04:16:58 | 0.02, 140.74 | -0.86, 136.82 | 446.99 | 80 |
| 4 | 06/20/2025 | 04:00:54 | 0.02, 140.73 | 0.19, 141.34 | 70.46 | 80 |
| 5 | 06/22/2025 | 16:03:58 | -0.03, 140.70 | -0.01, 140.60 | 11.48 | 80 |
| 6 | 06/25/2025 | 04:04:32 | 0.04, 140.67 | -0.14, 139.81 | 97.16 | 80 |
| 7 | 06/26/2025 | 03:48:27 | 0.03, 140.65 | 0.86, 144.35 | 420.86 | 80 |
| 8 | 06/27/2025 | 16:10:16 | -0.04, 140.63 | 0.30, 139.07 | 176.80 | 80 |
| 9 | 06/28/2025 | 15:48:51 | -0.03, 140.61 | -0.70, 143.60 | 341.73 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/15/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 06/15/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21