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: 7/31/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 08/01/2025 | 04:10:57 | -0.02, 140.73 | -0.56, 138.27 | 279.33 | 80 |
| 2 | 08/02/2025 | 03:54:52 | 0.00, 140.71 | 0.46, 142.80 | 238.02 | 80 |
| 3 | 08/03/2025 | 16:16:41 | -0.01, 140.70 | 0.68, 137.53 | 361.16 | 80 |
| 4 | 08/04/2025 | 15:55:16 | -0.01, 140.69 | -0.33, 142.06 | 156.69 | 80 |
| 5 | 08/06/2025 | 04:17:12 | 0.00, 140.66 | -0.87, 136.76 | 444.77 | 80 |
| 6 | 08/07/2025 | 04:01:08 | -0.00, 140.64 | 0.15, 141.28 | 73.61 | 80 |
| 7 | 08/09/2025 | 16:04:11 | 0.01, 140.59 | 0.03, 140.55 | 5.65 | 80 |
| 8 | 08/12/2025 | 04:04:43 | -0.01, 140.53 | -0.19, 139.77 | 86.80 | 80 |
| 9 | 08/13/2025 | 03:48:38 | -0.01, 140.51 | 0.84, 144.30 | 432.54 | 80 |
| 10 | 08/14/2025 | 16:10:26 | 0.01, 140.47 | 0.32, 139.03 | 163.71 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/31/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 07/31/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21