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: 9/7/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/08/2025 | 04:01:01 | 0.03, 140.76 | 0.15, 141.32 | 63.28 | 80 |
| 2 | 09/10/2025 | 16:04:04 | -0.03, 140.74 | -0.01, 140.58 | 18.40 | 80 |
| 3 | 09/11/2025 | 15:42:38 | -0.02, 140.74 | -1.00, 145.12 | 499.26 | 80 |
| 4 | 09/13/2025 | 04:04:34 | 0.03, 140.72 | -0.16, 139.81 | 103.16 | 80 |
| 5 | 09/14/2025 | 03:48:28 | 0.03, 140.71 | 0.84, 144.35 | 414.64 | 80 |
| 6 | 09/15/2025 | 16:10:15 | -0.04, 140.69 | 0.35, 139.08 | 183.85 | 80 |
| 7 | 09/16/2025 | 15:48:51 | -0.04, 140.68 | -0.71, 143.61 | 334.24 | 80 |
| 8 | 09/18/2025 | 04:10:45 | 0.04, 140.66 | -0.50, 138.32 | 267.17 | 80 |
| 9 | 09/19/2025 | 03:54:41 | 0.04, 140.64 | 0.56, 142.84 | 251.84 | 80 |
| 10 | 09/20/2025 | 16:16:28 | -0.05, 140.60 | 0.61, 137.57 | 344.26 | 80 |
| 11 | 09/21/2025 | 15:55:03 | -0.05, 140.57 | -0.39, 142.11 | 175.26 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/7/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 09/07/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21