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: 11/15/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/16/2025 | 04:03:51 | 0.01, 140.79 | -0.13, 140.05 | 84.47 | 80 |
| 2 | 11/17/2025 | 03:47:48 | 0.00, 140.79 | 0.83, 144.58 | 431.33 | 80 |
| 3 | 11/18/2025 | 16:09:38 | 0.01, 140.78 | 0.35, 139.31 | 168.64 | 80 |
| 4 | 11/19/2025 | 15:48:16 | 0.01, 140.78 | -0.67, 143.83 | 347.06 | 80 |
| 5 | 11/21/2025 | 04:10:16 | -0.02, 140.79 | -0.50, 138.51 | 259.36 | 80 |
| 6 | 11/22/2025 | 03:54:12 | -0.01, 140.78 | 0.47, 143.04 | 256.75 | 80 |
| 7 | 11/23/2025 | 16:16:03 | 0.02, 140.76 | 0.69, 137.76 | 342.34 | 80 |
| 8 | 11/24/2025 | 15:54:40 | 0.01, 140.76 | -0.34, 142.28 | 173.77 | 80 |
| 9 | 11/26/2025 | 04:19:20 | -0.01, 140.76 | -0.87, 136.97 | 431.92 | 80 |
| 10 | 11/27/2025 | 03:57:57 | -0.01, 140.75 | 0.17, 141.49 | 84.91 | 80 |
| 11 | 11/29/2025 | 16:01:04 | 0.01, 140.70 | 0.01, 140.74 | 4.83 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/15/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/15/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21