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: 9/4/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/04/2025 | 16:16:36 | -0.03, 140.78 | 0.73, 137.56 | 367.52 | 80 |
| 2 | 09/05/2025 | 15:55:11 | -0.02, 140.78 | -0.32, 142.08 | 149.20 | 80 |
| 3 | 09/07/2025 | 04:17:06 | 0.03, 140.77 | -0.85, 136.78 | 454.63 | 80 |
| 4 | 09/08/2025 | 04:01:01 | 0.03, 140.77 | 0.14, 141.32 | 62.74 | 80 |
| 5 | 09/10/2025 | 16:04:04 | -0.03, 140.75 | -0.01, 140.58 | 18.58 | 80 |
| 6 | 09/11/2025 | 15:42:38 | -0.02, 140.74 | -1.00, 145.12 | 499.06 | 80 |
| 7 | 09/13/2025 | 04:04:34 | 0.03, 140.73 | -0.15, 139.81 | 103.97 | 80 |
| 8 | 09/14/2025 | 03:48:28 | 0.02, 140.72 | 0.85, 144.35 | 413.84 | 80 |
| 9 | 09/15/2025 | 16:10:15 | -0.03, 140.70 | 0.33, 139.08 | 184.20 | 80 |
| 10 | 09/16/2025 | 15:48:50 | -0.03, 140.69 | -0.67, 143.62 | 333.88 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/4/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 09/04/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21