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: 5/19/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 05/21/2025 | 16:00:54 | 0.02, 140.74 | 0.05, 140.71 | 4.65 | 80 |
| 2 | 05/24/2025 | 04:04:08 | -0.01, 140.72 | -0.21, 139.93 | 90.72 | 80 |
| 3 | 05/25/2025 | 03:48:04 | -0.01, 140.71 | 0.81, 144.45 | 426.59 | 80 |
| 4 | 05/26/2025 | 16:09:55 | 0.00, 140.68 | 0.32, 139.17 | 172.47 | 80 |
| 5 | 05/27/2025 | 15:48:30 | 0.00, 140.67 | -0.65, 143.70 | 344.90 | 80 |
| 6 | 05/29/2025 | 04:10:28 | 0.00, 140.66 | -0.48, 138.38 | 258.56 | 80 |
| 7 | 05/30/2025 | 03:54:24 | -0.00, 140.64 | 0.50, 142.92 | 259.50 | 80 |
| 8 | 05/31/2025 | 16:13:33 | 0.00, 140.60 | 0.68, 137.64 | 337.71 | 80 |
| 9 | 06/01/2025 | 15:57:30 | 0.01, 140.58 | -0.35, 142.17 | 180.92 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/19/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 05/19/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21