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: 8/10/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 08/12/2025 | 04:04:43 | 0.03, 140.76 | -0.19, 139.78 | 111.84 | 80 |
| 2 | 08/13/2025 | 03:48:38 | 0.03, 140.74 | 0.83, 144.31 | 406.55 | 80 |
| 3 | 08/14/2025 | 16:10:26 | -0.04, 140.73 | 0.31, 139.03 | 192.66 | 80 |
| 4 | 08/15/2025 | 15:49:01 | -0.04, 140.71 | -0.65, 143.57 | 325.62 | 80 |
| 5 | 08/17/2025 | 04:10:57 | 0.04, 140.67 | -0.51, 138.26 | 274.61 | 80 |
| 6 | 08/18/2025 | 03:54:53 | 0.04, 140.65 | 0.52, 142.79 | 244.01 | 80 |
| 7 | 08/19/2025 | 16:16:41 | -0.05, 140.63 | 0.64, 137.52 | 354.31 | 80 |
| 8 | 08/20/2025 | 15:55:17 | -0.05, 140.60 | -0.39, 142.04 | 164.57 | 80 |
| 9 | 08/22/2025 | 04:17:12 | 0.06, 140.56 | -0.82, 136.75 | 434.50 | 80 |
| 10 | 08/23/2025 | 04:01:07 | 0.06, 140.52 | 0.22, 141.28 | 85.43 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/10/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 08/10/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21