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: 8/1/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 08/02/2025 | 03:54:53 | -0.00, 140.73 | 0.47, 142.80 | 236.50 | 80 |
| 2 | 08/03/2025 | 16:16:40 | -0.01, 140.73 | 0.73, 137.54 | 364.26 | 80 |
| 3 | 08/04/2025 | 15:55:15 | -0.01, 140.72 | -0.29, 142.07 | 152.66 | 80 |
| 4 | 08/06/2025 | 04:17:13 | 0.00, 140.71 | -0.85, 136.75 | 450.23 | 80 |
| 5 | 08/07/2025 | 04:01:07 | -0.00, 140.70 | 0.11, 141.29 | 67.26 | 80 |
| 6 | 08/09/2025 | 16:04:11 | 0.01, 140.68 | 0.01, 140.55 | 14.40 | 80 |
| 7 | 08/12/2025 | 04:04:43 | -0.01, 140.64 | -0.18, 139.77 | 97.96 | 80 |
| 8 | 08/13/2025 | 03:48:37 | -0.01, 140.62 | 0.79, 144.31 | 420.48 | 80 |
| 9 | 08/14/2025 | 16:10:26 | 0.01, 140.59 | 0.36, 139.04 | 177.20 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/1/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 08/01/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21