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: 8/23/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 08/25/2025 | 16:04:09 | -0.03, 140.74 | 0.02, 140.56 | 21.07 | 80 |
| 2 | 08/26/2025 | 15:42:45 | -0.03, 140.72 | -1.01, 145.09 | 497.70 | 80 |
| 3 | 08/28/2025 | 04:04:40 | 0.03, 140.68 | -0.19, 139.79 | 102.52 | 80 |
| 4 | 08/29/2025 | 03:48:36 | 0.03, 140.66 | 0.84, 144.32 | 416.70 | 80 |
| 5 | 08/30/2025 | 16:10:24 | -0.04, 140.62 | 0.31, 139.04 | 180.11 | 80 |
| 6 | 08/31/2025 | 15:48:59 | -0.03, 140.60 | -0.72, 143.57 | 339.06 | 80 |
| 7 | 09/02/2025 | 04:10:55 | 0.04, 140.56 | -0.47, 138.27 | 260.85 | 80 |
| 8 | 09/03/2025 | 03:54:50 | 0.04, 140.53 | 0.57, 142.80 | 258.77 | 80 |
| 9 | 09/04/2025 | 16:16:39 | -0.05, 140.48 | 0.59, 137.52 | 336.97 | 80 |
| 10 | 09/05/2025 | 15:55:13 | -0.05, 140.45 | -0.39, 142.06 | 182.92 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/23/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 08/23/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21