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: 2/26/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 02/27/2025 | 04:16:51 | -0.02, 140.75 | -0.86, 136.91 | 437.71 | 80 |
| 2 | 02/28/2025 | 03:58:07 | -0.02, 140.74 | 0.14, 141.44 | 79.66 | 80 |
| 3 | 03/02/2025 | 16:03:50 | 0.02, 140.71 | 0.03, 140.70 | 1.87 | 80 |
| 4 | 03/05/2025 | 04:07:02 | -0.02, 140.67 | -0.18, 139.92 | 85.79 | 80 |
| 5 | 03/06/2025 | 03:45:38 | -0.01, 140.65 | 0.84, 144.45 | 432.28 | 80 |
| 6 | 03/07/2025 | 16:10:05 | 0.02, 140.63 | 0.32, 139.17 | 165.58 | 80 |
| 7 | 03/08/2025 | 15:48:40 | 0.02, 140.61 | -0.65, 143.71 | 352.79 | 80 |
| 8 | 03/10/2025 | 04:13:17 | -0.03, 140.58 | -0.50, 138.40 | 247.88 | 80 |
| 9 | 03/11/2025 | 03:51:52 | -0.02, 140.55 | 0.48, 142.94 | 271.33 | 80 |
| 10 | 03/12/2025 | 16:16:19 | 0.03, 140.51 | 0.67, 137.66 | 324.28 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 2/26/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 02/26/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21