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: 9/16/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/16/2025 | 15:48:50 | -0.03, 140.76 | -0.65, 143.63 | 326.01 | 80 |
| 2 | 09/18/2025 | 04:10:45 | 0.04, 140.66 | -0.51, 138.32 | 267.32 | 80 |
| 3 | 09/19/2025 | 03:54:41 | 0.03, 140.64 | 0.55, 142.85 | 252.41 | 80 |
| 4 | 09/20/2025 | 16:16:28 | -0.04, 140.65 | 0.63, 137.58 | 349.65 | 80 |
| 5 | 09/21/2025 | 15:55:03 | -0.04, 140.62 | -0.37, 142.12 | 170.29 | 80 |
| 6 | 09/23/2025 | 04:16:58 | 0.04, 140.52 | -0.79, 136.81 | 421.88 | 80 |
| 7 | 09/24/2025 | 04:00:52 | 0.04, 140.48 | 0.22, 141.35 | 98.91 | 80 |
| 8 | 09/26/2025 | 16:01:14 | -0.03, 140.44 | -0.06, 140.62 | 19.47 | 80 |
| 9 | 09/29/2025 | 04:04:25 | 0.04, 140.30 | -0.04, 139.84 | 51.86 | 80 |
| 10 | 09/30/2025 | 03:48:20 | 0.04, 140.25 | 0.97, 144.37 | 469.49 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/16/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 09/16/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21