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: 11/24/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/26/2025 | 04:16:40 | -0.02, 140.77 | -0.86, 136.97 | 433.11 | 80 |
| 2 | 11/27/2025 | 04:00:38 | -0.01, 140.77 | 0.17, 141.49 | 83.18 | 80 |
| 3 | 11/29/2025 | 16:03:45 | 0.01, 140.73 | 0.03, 140.75 | 2.55 | 80 |
| 4 | 12/02/2025 | 04:07:01 | -0.02, 140.72 | -0.20, 139.96 | 87.00 | 80 |
| 5 | 12/03/2025 | 03:47:41 | -0.02, 140.71 | 0.84, 144.48 | 430.05 | 42 |
| 6 | 12/04/2025 | 16:10:09 | 0.03, 140.68 | 0.33, 139.20 | 167.80 | 80 |
| 7 | 12/05/2025 | 15:48:46 | 0.02, 140.66 | -0.65, 143.73 | 349.13 | 80 |
| 8 | 12/07/2025 | 04:13:25 | -0.03, 140.66 | -0.53, 138.42 | 255.38 | 80 |
| 9 | 12/08/2025 | 03:52:03 | -0.02, 140.64 | 0.51, 142.93 | 262.19 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/24/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/24/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21