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: 4/3/2025
Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
1 | 04/06/2025 | 04:04:01 | -0.04, 140.79 | -0.22, 139.98 | 91.52 | 80 |
2 | 04/07/2025 | 03:47:55 | -0.04, 140.78 | 0.82, 144.51 | 425.97 | 80 |
3 | 04/08/2025 | 16:09:41 | 0.05, 140.78 | 0.37, 139.25 | 173.08 | 80 |
4 | 04/09/2025 | 15:48:14 | 0.05, 140.77 | -0.62, 143.80 | 344.87 | 80 |
5 | 04/11/2025 | 04:10:08 | -0.05, 140.74 | -0.55, 138.50 | 256.20 | 80 |
6 | 04/12/2025 | 03:54:02 | -0.05, 140.73 | 0.45, 143.04 | 262.42 | 80 |
7 | 04/13/2025 | 16:15:48 | 0.05, 140.71 | 0.68, 137.77 | 335.00 | 80 |
8 | 04/14/2025 | 15:54:22 | 0.05, 140.70 | -0.32, 142.31 | 183.71 | 80 |
9 | 04/16/2025 | 04:16:15 | -0.05, 140.67 | -0.88, 137.02 | 416.59 | 80 |
10 | 04/17/2025 | 04:00:09 | -0.05, 140.65 | 0.12, 141.55 | 102.58 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/3/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 04/03/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21