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: 7/28/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/29/2025 | 16:10:25 | -0.04, 140.75 | 0.35, 139.04 | 194.63 | 80 |
| 2 | 07/30/2025 | 15:49:01 | -0.04, 140.74 | -0.67, 143.57 | 323.02 | 80 |
| 3 | 08/01/2025 | 04:10:58 | 0.04, 140.70 | -0.49, 138.26 | 277.80 | 80 |
| 4 | 08/02/2025 | 03:54:54 | 0.04, 140.68 | 0.53, 142.79 | 240.30 | 80 |
| 5 | 08/03/2025 | 16:16:41 | -0.05, 140.67 | 0.67, 137.52 | 359.03 | 80 |
| 6 | 08/04/2025 | 15:55:16 | -0.05, 140.65 | -0.34, 142.05 | 159.00 | 80 |
| 7 | 08/06/2025 | 04:17:14 | 0.06, 140.61 | -0.80, 136.74 | 441.51 | 80 |
| 8 | 08/07/2025 | 04:01:09 | 0.06, 140.59 | 0.22, 141.27 | 77.05 | 80 |
| 9 | 08/09/2025 | 16:01:32 | -0.07, 140.55 | -0.04, 140.53 | 3.72 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/28/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 07/28/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21