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: 7/18/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 07/19/2025 | 15:55:13 | -0.01, 140.76 | -0.29, 142.08 | 150.37 | 80 |
| 2 | 07/21/2025 | 04:17:10 | 0.01, 140.76 | -0.90, 136.77 | 454.57 | 80 |
| 3 | 07/22/2025 | 04:01:05 | 0.00, 140.76 | 0.11, 141.30 | 61.54 | 80 |
| 4 | 07/24/2025 | 16:04:08 | 0.00, 140.77 | 0.08, 140.57 | 23.37 | 80 |
| 5 | 07/25/2025 | 15:42:45 | 0.01, 140.76 | -0.99, 145.09 | 493.56 | 80 |
| 6 | 07/27/2025 | 04:04:41 | -0.01, 140.74 | -0.24, 139.79 | 109.32 | 80 |
| 7 | 07/28/2025 | 03:48:37 | -0.01, 140.73 | 0.77, 144.32 | 408.26 | 80 |
| 8 | 07/29/2025 | 16:10:25 | 0.01, 140.72 | 0.37, 139.04 | 190.59 | 80 |
| 9 | 07/30/2025 | 15:49:00 | 0.01, 140.70 | -0.64, 143.57 | 327.24 | 80 |
| 10 | 08/01/2025 | 04:10:57 | -0.01, 140.68 | -0.57, 138.27 | 274.37 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/18/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 07/18/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21