Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/1/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 11/02/2025 | 07:10:09 | -70.09,-111.31 | 95.17 | 11/02/2025 | 07:11:06 | -70.07,-111.28 | 95.19 | 2.37 | 57 |
| 2 | 11/02/2025 | 08:00:53 | 69.95, 56.20 | 84.70 | 11/02/2025 | 08:00:33 | 69.97, 56.22 | 84.72 | 2.20 | 20 |
| 3 | 11/02/2025 | 08:51:23 | -69.24,-135.44 | 96.00 | 11/02/2025 | 08:50:14 | -69.25,-137.11 | 95.99 | 66.00 | 69 |
| 4 | 11/04/2025 | 23:27:09 | -70.05, 4.49 | 94.38 | 11/04/2025 | 23:27:37 | -70.03, 4.54 | 94.40 | 3.09 | 28 |
| 5 | 11/05/2025 | 00:17:53 | 69.92, 172.00 | 85.50 | 11/05/2025 | 00:17:04 | 69.93, 172.04 | 85.51 | 1.77 | 49 |
| 6 | 11/07/2025 | 14:53:28 | 70.11, -47.16 | 86.47 | 11/07/2025 | 14:54:38 | 70.13, -47.08 | 86.49 | 3.71 | 70 |
| 7 | 11/07/2025 | 15:44:09 | -69.98, 120.36 | 93.66 | 11/07/2025 | 15:44:09 | -69.97, 120.33 | 93.67 | 1.38 | 0 |
| 8 | 11/07/2025 | 16:34:50 | 69.68, -71.89 | 86.06 | 11/07/2025 | 16:33:38 | 69.75, -72.34 | 86.13 | 18.79 | 72 |
| 9 | 11/10/2025 | 07:10:28 | 70.04, 68.70 | 87.16 | 11/10/2025 | 07:11:10 | 70.03, 68.66 | 87.16 | 1.78 | 42 |
| 10 | 11/10/2025 | 08:01:10 | -69.96,-123.86 | 92.91 | 11/10/2025 | 08:00:40 | -69.93,-123.85 | 92.94 | 2.82 | 30 |
| 11 | 11/12/2025 | 22:36:56 | -70.73, 16.04 | 91.42 | 11/12/2025 | 22:38:04 | -70.62, 17.75 | 91.53 | 64.23 | 68 |
| 12 | 11/12/2025 | 23:27:29 | 70.03,-175.53 | 87.88 | 11/12/2025 | 23:27:40 | 70.02,-175.49 | 87.87 | 1.92 | 11 |
| 13 | 11/13/2025 | 00:18:10 | -69.89, -8.01 | 92.25 | 11/13/2025 | 00:17:10 | -69.92, -7.99 | 92.22 | 3.12 | 60 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/1/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/01/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9