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: 4/28/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 04/29/2025 | 16:15:39 | 0.02, 140.77 | 0.71, 137.80 | 338.93 | 80 |
| 2 | 04/30/2025 | 15:54:16 | 0.03, 140.78 | -0.35, 142.32 | 176.60 | 80 |
| 3 | 05/02/2025 | 04:16:13 | -0.02, 140.78 | -0.87, 137.02 | 429.59 | 80 |
| 4 | 05/03/2025 | 04:00:10 | -0.03, 140.78 | 0.13, 141.54 | 86.49 | 80 |
| 5 | 05/05/2025 | 16:00:37 | 0.03, 140.76 | 0.04, 140.79 | 3.21 | 80 |
| 6 | 05/08/2025 | 04:03:51 | -0.03, 140.74 | -0.22, 140.01 | 83.87 | 80 |
| 7 | 05/09/2025 | 03:47:47 | -0.04, 140.72 | 0.79, 144.53 | 433.73 | 80 |
| 8 | 05/10/2025 | 16:09:37 | 0.03, 140.69 | 0.37, 139.25 | 164.53 | 80 |
| 9 | 05/11/2025 | 15:48:14 | 0.03, 140.67 | -0.64, 143.78 | 353.16 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/28/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 04/28/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21