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: 5/18/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 05/19/2025 | 04:00:28 | -0.01, 140.77 | 0.13, 141.46 | 78.95 | 80 |
| 2 | 05/21/2025 | 16:00:54 | 0.02, 140.75 | 0.05, 140.71 | 4.63 | 80 |
| 3 | 05/24/2025 | 04:04:08 | -0.02, 140.72 | -0.21, 139.93 | 90.91 | 80 |
| 4 | 05/25/2025 | 03:48:04 | -0.01, 140.71 | 0.82, 144.45 | 426.36 | 80 |
| 5 | 05/26/2025 | 16:09:55 | 0.00, 140.69 | 0.31, 139.17 | 172.71 | 80 |
| 6 | 05/27/2025 | 15:48:30 | 0.00, 140.68 | -0.66, 143.70 | 344.63 | 80 |
| 7 | 05/29/2025 | 04:10:27 | 0.00, 140.66 | -0.53, 138.39 | 258.91 | 80 |
| 8 | 05/30/2025 | 03:54:24 | -0.00, 140.64 | 0.51, 142.92 | 259.11 | 80 |
| 9 | 05/31/2025 | 16:13:33 | 0.00, 140.61 | 0.67, 137.64 | 338.08 | 80 |
| 10 | 06/01/2025 | 15:57:30 | 0.01, 140.58 | -0.37, 142.16 | 180.53 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/18/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 05/18/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21