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: 8/26/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 08/28/2025 | 04:04:39 | 0.00, 140.73 | -0.23, 139.80 | 106.58 | 80 |
| 2 | 08/29/2025 | 03:48:35 | -0.00, 140.72 | 0.81, 144.32 | 411.03 | 80 |
| 3 | 08/30/2025 | 16:10:23 | -0.00, 140.70 | 0.35, 139.05 | 188.01 | 80 |
| 4 | 08/31/2025 | 15:48:58 | -0.00, 140.69 | -0.63, 143.59 | 329.57 | 80 |
| 5 | 09/02/2025 | 04:10:53 | 0.00, 140.68 | -0.56, 138.29 | 272.61 | 80 |
| 6 | 09/03/2025 | 03:54:49 | -0.00, 140.66 | 0.48, 142.82 | 245.53 | 80 |
| 7 | 09/04/2025 | 16:16:37 | 0.01, 140.64 | 0.67, 137.54 | 352.14 | 80 |
| 8 | 09/05/2025 | 15:55:11 | 0.01, 140.62 | -0.31, 142.08 | 166.21 | 80 |
| 9 | 09/07/2025 | 04:17:07 | -0.01, 140.60 | -0.87, 136.78 | 434.92 | 80 |
| 10 | 09/08/2025 | 04:01:02 | -0.01, 140.57 | 0.18, 141.31 | 84.06 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/26/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 08/26/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21