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: 11/7/2025
| 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 | 11/07/2025 | 14:53:28 | 70.08, -47.12 | 86.44 | 11/07/2025 | 14:54:39 | 70.09, -47.14 | 86.45 | 1.09 | 71 |
| 2 | 11/07/2025 | 15:44:09 | -69.96, 120.38 | 93.68 | 11/07/2025 | 15:44:09 | -69.98, 120.34 | 93.65 | 3.06 | 0 |
| 3 | 11/07/2025 | 16:34:51 | 69.71, -71.94 | 86.09 | 11/07/2025 | 16:33:38 | 69.77, -72.31 | 86.14 | 15.89 | 73 |
| 4 | 11/10/2025 | 07:10:28 | 70.07, 68.65 | 87.19 | 11/10/2025 | 07:11:09 | 70.04, 68.67 | 87.17 | 2.75 | 41 |
| 5 | 11/10/2025 | 08:01:09 | -69.94,-123.84 | 92.93 | 11/10/2025 | 08:00:39 | -69.94,-123.85 | 92.94 | 0.63 | 30 |
| 6 | 11/12/2025 | 22:36:55 | -70.72, 16.06 | 91.43 | 11/12/2025 | 22:38:04 | -70.57, 17.67 | 91.59 | 61.61 | 69 |
| 7 | 11/12/2025 | 23:27:28 | 70.01,-175.50 | 87.86 | 11/12/2025 | 23:27:39 | 70.02,-175.48 | 87.87 | 1.71 | 11 |
| 8 | 11/13/2025 | 00:18:10 | -69.93, -8.07 | 92.21 | 11/13/2025 | 00:17:09 | -69.92, -8.00 | 92.23 | 3.28 | 61 |
| 9 | 11/15/2025 | 14:53:44 | -70.09, 132.82 | 91.38 | 11/15/2025 | 14:54:42 | -70.08, 132.84 | 91.39 | 1.17 | 58 |
| 10 | 11/15/2025 | 15:44:28 | 69.95, -59.67 | 88.50 | 11/15/2025 | 15:44:09 | 69.97, -59.68 | 88.51 | 1.68 | 19 |
| 11 | 11/15/2025 | 16:34:58 | -69.24, 108.69 | 92.21 | 11/15/2025 | 16:33:49 | -69.32, 107.07 | 92.14 | 64.45 | 69 |
| 12 | 11/18/2025 | 07:10:44 | -70.04,-111.35 | 90.77 | 11/18/2025 | 07:11:11 | -70.06,-111.31 | 90.76 | 2.33 | 27 |
| 13 | 11/18/2025 | 08:01:28 | 69.91, 56.16 | 89.11 | 11/18/2025 | 08:00:39 | 69.89, 56.09 | 89.08 | 3.48 | 49 |
| 14 | 11/20/2025 | 22:37:01 | 70.08,-162.98 | 89.88 | 11/20/2025 | 22:38:09 | 70.10,-163.00 | 89.90 | 2.20 | 68 |
| 15 | 11/20/2025 | 23:27:43 | -70.00, 4.46 | 90.20 | 11/20/2025 | 23:27:39 | -70.00, 4.49 | 90.20 | 1.16 | 4 |
| 16 | 11/21/2025 | 00:18:22 | 69.60, 172.36 | 89.42 | 11/21/2025 | 00:17:10 | 69.66, 171.67 | 89.47 | 27.63 | 72 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/7/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/07/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9