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: 6/24/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 06/25/2025 | 04:04:31 | 0.04, 140.77 | -0.16, 139.82 | 108.28 | 80 |
| 2 | 06/26/2025 | 03:48:27 | 0.05, 140.77 | 0.83, 144.35 | 408.59 | 80 |
| 3 | 06/27/2025 | 16:10:15 | -0.05, 140.75 | 0.33, 139.08 | 190.68 | 80 |
| 4 | 06/28/2025 | 15:48:51 | -0.05, 140.74 | -0.67, 143.61 | 326.79 | 80 |
| 5 | 06/30/2025 | 04:10:49 | 0.04, 140.72 | -0.48, 138.29 | 275.61 | 80 |
| 6 | 07/01/2025 | 03:54:45 | 0.04, 140.70 | 0.51, 142.83 | 242.66 | 80 |
| 7 | 07/02/2025 | 16:16:33 | -0.04, 140.66 | 0.64, 137.55 | 354.43 | 80 |
| 8 | 07/03/2025 | 15:55:08 | -0.05, 140.64 | -0.36, 142.09 | 164.05 | 80 |
| 9 | 07/05/2025 | 04:17:07 | 0.05, 140.61 | -0.79, 136.77 | 437.37 | 80 |
| 10 | 07/06/2025 | 04:01:02 | 0.05, 140.58 | 0.21, 141.30 | 81.45 | 80 |
| 11 | 07/08/2025 | 16:01:26 | -0.06, 140.52 | -0.06, 140.56 | 4.28 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/24/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 06/24/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21