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: 11/13/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/16/2025 | 04:03:51 | 0.01, 140.80 | -0.16, 140.05 | 85.51 | 80 |
| 2 | 11/17/2025 | 03:47:48 | 0.00, 140.80 | 0.86, 144.58 | 430.20 | 80 |
| 3 | 11/18/2025 | 16:09:38 | 0.01, 140.79 | 0.37, 139.31 | 169.71 | 80 |
| 4 | 11/19/2025 | 15:48:15 | 0.01, 140.79 | -0.66, 143.83 | 345.99 | 80 |
| 5 | 11/21/2025 | 04:10:15 | -0.02, 140.80 | -0.50, 138.51 | 260.55 | 80 |
| 6 | 11/22/2025 | 03:54:12 | -0.01, 140.80 | 0.48, 143.04 | 255.56 | 80 |
| 7 | 11/23/2025 | 16:16:02 | 0.02, 140.78 | 0.68, 137.76 | 343.38 | 80 |
| 8 | 11/24/2025 | 15:54:39 | 0.01, 140.77 | -0.30, 142.29 | 172.77 | 80 |
| 9 | 11/26/2025 | 04:19:18 | -0.02, 140.77 | -0.89, 136.98 | 433.06 | 80 |
| 10 | 11/27/2025 | 03:57:56 | -0.01, 140.76 | 0.16, 141.50 | 83.81 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/13/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 11/13/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21