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: 9/14/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/15/2025 | 16:10:15 | -0.02, 140.82 | 0.35, 139.09 | 197.07 | 80 |
| 2 | 09/16/2025 | 15:48:50 | -0.02, 140.84 | -0.65, 143.63 | 317.42 | 80 |
| 3 | 09/18/2025 | 04:10:45 | 0.03, 140.80 | -0.52, 138.32 | 282.19 | 80 |
| 4 | 09/19/2025 | 03:54:40 | 0.03, 140.81 | 0.48, 142.86 | 233.47 | 80 |
| 5 | 09/20/2025 | 16:16:27 | -0.03, 140.88 | 0.69, 137.59 | 374.74 | 80 |
| 6 | 09/21/2025 | 15:55:02 | -0.03, 140.89 | -0.31, 142.13 | 141.13 | 80 |
| 7 | 09/23/2025 | 04:16:57 | 0.03, 140.84 | -0.85, 136.83 | 457.39 | 80 |
| 8 | 09/24/2025 | 04:00:51 | 0.03, 140.84 | 0.16, 141.36 | 59.34 | 80 |
| 9 | 09/26/2025 | 16:03:53 | -0.03, 140.90 | 0.00, 140.63 | 30.52 | 80 |
| 10 | 09/27/2025 | 15:42:28 | -0.02, 140.91 | -1.00, 145.16 | 486.12 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/14/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 09/14/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21