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: 4/9/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 04/09/2025 | 15:48:15 | 0.00, 140.78 | -0.70, 143.78 | 342.97 | 80 |
| 2 | 04/11/2025 | 04:10:09 | -0.01, 140.75 | -0.53, 138.49 | 257.62 | 80 |
| 3 | 04/12/2025 | 03:54:03 | -0.00, 140.74 | 0.52, 143.02 | 260.85 | 80 |
| 4 | 04/13/2025 | 16:15:49 | 0.00, 140.72 | 0.66, 137.76 | 337.32 | 80 |
| 5 | 04/14/2025 | 15:54:22 | 0.00, 140.71 | -0.34, 142.30 | 181.15 | 80 |
| 6 | 04/16/2025 | 04:16:16 | -0.00, 140.68 | -0.81, 137.00 | 418.84 | 80 |
| 7 | 04/17/2025 | 04:00:10 | 0.00, 140.66 | 0.20, 141.54 | 100.09 | 80 |
| 8 | 04/18/2025 | 16:21:55 | 0.00, 140.64 | 0.98, 136.28 | 497.16 | 80 |
| 9 | 04/19/2025 | 16:00:29 | -0.00, 140.62 | -0.03, 140.82 | 21.88 | 80 |
| 10 | 04/22/2025 | 04:03:36 | -0.00, 140.57 | -0.14, 140.06 | 57.98 | 80 |
| 11 | 04/23/2025 | 03:47:29 | -0.00, 140.54 | 0.88, 144.60 | 461.95 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/9/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 04/09/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21