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: 4/16/2025
| Index | Date | Time (HIMAWARI-9) | HIMAWARI-9 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 04/17/2025 | 04:00:09 | -0.01, 140.77 | 0.16, 141.55 | 88.57 | 80 |
| 2 | 04/19/2025 | 16:00:28 | 0.02, 140.78 | -0.01, 140.83 | 6.33 | 80 |
| 3 | 04/22/2025 | 04:03:34 | -0.03, 140.76 | -0.19, 140.08 | 78.15 | 80 |
| 4 | 04/23/2025 | 03:47:27 | -0.03, 140.76 | 0.84, 144.62 | 439.99 | 80 |
| 5 | 04/24/2025 | 16:09:13 | 0.03, 140.75 | 0.32, 139.35 | 158.30 | 80 |
| 6 | 04/25/2025 | 15:47:45 | 0.03, 140.74 | -0.66, 143.90 | 360.02 | 80 |
| 7 | 04/27/2025 | 04:09:37 | -0.03, 140.72 | -0.53, 138.61 | 240.69 | 80 |
| 8 | 04/28/2025 | 03:53:31 | -0.03, 140.71 | 0.51, 143.15 | 278.09 | 80 |
| 9 | 04/29/2025 | 16:15:15 | 0.03, 140.69 | 0.68, 137.90 | 319.07 | 80 |
| 10 | 04/30/2025 | 15:53:49 | 0.04, 140.68 | -0.37, 142.43 | 199.74 | 80 |
Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/16/2025
Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 04/16/2025 in txt file.
Historical Predications of SNOs between HIMAWARI-9 and NOAA-21