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: 12/3/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 12/04/2025 | 16:10:08 | 0.04, 140.75 | 0.38, 139.21 | 174.99 | 80 |
| 2 | 12/05/2025 | 15:48:45 | 0.04, 140.75 | -0.60, 143.74 | 340.70 | 80 |
| 3 | 12/07/2025 | 04:10:44 | -0.04, 140.72 | -0.58, 138.43 | 262.02 | 80 |
| 4 | 12/08/2025 | 03:54:41 | -0.04, 140.72 | 0.47, 142.95 | 254.50 | 80 |
| 5 | 12/09/2025 | 16:16:31 | 0.03, 140.72 | 0.74, 137.68 | 347.62 | 80 |
| 6 | 12/10/2025 | 15:55:08 | 0.03, 140.72 | -0.31, 142.20 | 169.26 | 80 |
| 7 | 12/12/2025 | 04:17:07 | -0.03, 140.68 | -0.91, 136.89 | 431.84 | 80 |
| 8 | 12/13/2025 | 04:01:04 | -0.03, 140.66 | 0.15, 141.41 | 86.06 | 80 |
| 9 | 12/15/2025 | 16:01:31 | 0.03, 140.63 | 0.00, 140.66 | 4.74 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 12/3/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 12/03/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21