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: 4/18/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 04/19/2025 | 16:00:28 | 0.02, 140.78 | 0.01, 140.83 | 5.86 | 80 |
| 2 | 04/22/2025 | 04:03:35 | -0.03, 140.76 | -0.18, 140.07 | 78.22 | 80 |
| 3 | 04/23/2025 | 03:47:28 | -0.03, 140.76 | 0.84, 144.61 | 439.87 | 80 |
| 4 | 04/24/2025 | 16:09:14 | 0.04, 140.75 | 0.33, 139.35 | 158.65 | 80 |
| 5 | 04/25/2025 | 15:47:47 | 0.03, 140.74 | -0.69, 143.89 | 359.58 | 80 |
| 6 | 04/27/2025 | 04:09:39 | -0.03, 140.72 | -0.52, 138.60 | 241.11 | 80 |
| 7 | 04/28/2025 | 03:53:33 | -0.03, 140.70 | 0.50, 143.14 | 277.58 | 80 |
| 8 | 04/29/2025 | 16:15:18 | 0.04, 140.69 | 0.66, 137.88 | 319.88 | 80 |
| 9 | 04/30/2025 | 15:53:52 | 0.04, 140.67 | -0.36, 142.42 | 198.80 | 80 |
| 10 | 05/02/2025 | 04:15:44 | -0.04, 140.65 | -0.83, 137.13 | 401.45 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/18/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 04/18/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21