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: 6/23/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 06/25/2025 | 04:04:31 | 0.04, 140.76 | -0.17, 139.82 | 107.38 | 80 |
| 2 | 06/26/2025 | 03:48:27 | 0.04, 140.76 | 0.82, 144.36 | 409.47 | 80 |
| 3 | 06/27/2025 | 16:10:15 | -0.04, 140.74 | 0.34, 139.08 | 189.75 | 80 |
| 4 | 06/28/2025 | 15:48:51 | -0.04, 140.73 | -0.66, 143.61 | 327.69 | 80 |
| 5 | 06/30/2025 | 04:10:49 | 0.04, 140.71 | -0.49, 138.30 | 274.80 | 80 |
| 6 | 07/01/2025 | 03:54:44 | 0.04, 140.69 | 0.50, 142.83 | 243.42 | 80 |
| 7 | 07/02/2025 | 16:16:33 | -0.04, 140.66 | 0.65, 137.55 | 353.64 | 80 |
| 8 | 07/03/2025 | 15:55:08 | -0.04, 140.64 | -0.35, 142.09 | 164.80 | 80 |
| 9 | 07/05/2025 | 04:17:07 | 0.04, 140.60 | -0.80, 136.77 | 436.70 | 80 |
| 10 | 07/06/2025 | 04:01:02 | 0.04, 140.58 | 0.20, 141.30 | 82.08 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/23/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 06/23/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21