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: 8/8/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 08/09/2025 | 16:04:11 | -0.03, 140.79 | 0.03, 140.55 | 27.03 | 80 |
| 2 | 08/10/2025 | 15:42:46 | -0.03, 140.78 | -0.99, 145.08 | 490.66 | 80 |
| 3 | 08/12/2025 | 04:04:43 | 0.04, 140.74 | -0.20, 139.78 | 110.50 | 80 |
| 4 | 08/13/2025 | 03:48:38 | 0.04, 140.73 | 0.83, 144.31 | 407.83 | 80 |
| 5 | 08/14/2025 | 16:10:26 | -0.04, 140.71 | 0.32, 139.03 | 190.79 | 80 |
| 6 | 08/15/2025 | 15:49:02 | -0.04, 140.69 | -0.70, 143.56 | 327.38 | 80 |
| 7 | 08/17/2025 | 04:10:58 | 0.05, 140.66 | -0.47, 138.25 | 273.66 | 80 |
| 8 | 08/18/2025 | 03:54:53 | 0.05, 140.64 | 0.50, 142.79 | 244.90 | 80 |
| 9 | 08/19/2025 | 16:16:41 | -0.06, 140.61 | 0.66, 137.52 | 352.91 | 80 |
| 10 | 08/20/2025 | 15:55:17 | -0.06, 140.59 | -0.37, 142.05 | 165.88 | 80 |
| 11 | 08/22/2025 | 04:17:13 | 0.06, 140.55 | -0.79, 136.74 | 433.99 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/8/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 08/08/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21