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: 1/23/2025
| 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 | 01/23/2025 | 15:42:55 | -70.01, 120.30 | 90.69 | 01/23/2025 | 15:43:57 | -70.01, 120.36 | 90.70 | 2.32 | 62 |
| 2 | 01/23/2025 | 16:33:38 | 69.86, -72.16 | 89.15 | 01/23/2025 | 16:33:25 | 69.85, -72.22 | 89.15 | 2.30 | 13 |
| 3 | 01/23/2025 | 17:24:12 | -69.33, 95.93 | 91.42 | 01/23/2025 | 17:23:01 | -69.41, 94.81 | 91.28 | 44.66 | 71 |
| 4 | 01/26/2025 | 07:59:50 | -69.95,-123.84 | 91.40 | 01/26/2025 | 08:00:25 | -69.97,-123.81 | 91.39 | 2.30 | 35 |
| 5 | 01/26/2025 | 08:50:34 | 69.85, 43.62 | 88.49 | 01/26/2025 | 08:49:52 | 69.86, 43.68 | 88.50 | 2.71 | 42 |
| 6 | 01/28/2025 | 23:26:08 | 70.28,-175.89 | 88.26 | 01/28/2025 | 23:27:19 | 70.20,-175.22 | 88.15 | 26.45 | 71 |
| 7 | 01/29/2025 | 00:16:45 | -69.91, -8.01 | 92.15 | 01/29/2025 | 00:16:52 | -69.93, -7.98 | 92.13 | 2.76 | 7 |
| 8 | 01/29/2025 | 01:07:29 | 69.81, 159.45 | 87.74 | 01/29/2025 | 01:06:19 | 69.82, 159.51 | 87.76 | 2.53 | 70 |
| 9 | 01/31/2025 | 15:42:57 | 69.98, -59.67 | 87.21 | 01/31/2025 | 15:43:47 | 70.00, -59.62 | 87.22 | 2.47 | 50 |
| 10 | 01/31/2025 | 16:33:39 | -69.87, 107.81 | 92.92 | 01/31/2025 | 16:33:17 | -69.89, 107.86 | 92.90 | 2.72 | 22 |
| 11 | 01/31/2025 | 17:24:06 | 68.87, -83.45 | 86.02 | 01/31/2025 | 17:23:00 | 68.89, -85.82 | 86.16 | 95.33 | 66 |
| 12 | 02/03/2025 | 07:09:25 | -70.95,-112.75 | 92.52 | 02/03/2025 | 07:10:31 | -70.84,-110.13 | 92.75 | 96.12 | 66 |
| 13 | 02/03/2025 | 07:59:51 | 69.91, 56.21 | 86.36 | 02/03/2025 | 08:00:13 | 69.90, 56.15 | 86.36 | 2.65 | 22 |
| 14 | 02/03/2025 | 08:50:33 | -69.80,-136.31 | 93.77 | 02/03/2025 | 08:49:43 | -69.80,-136.37 | 93.76 | 2.23 | 50 |
| 15 | 02/05/2025 | 23:26:02 | -70.00, 4.54 | 94.34 | 02/05/2025 | 23:27:10 | -69.99, 4.52 | 94.36 | 1.20 | 68 |
| 16 | 02/06/2025 | 00:16:46 | 69.90, 172.00 | 85.55 | 02/06/2025 | 00:16:37 | 69.87, 172.00 | 85.52 | 3.40 | 9 |
| 17 | 02/06/2025 | 01:07:23 | -69.53, -20.14 | 94.86 | 02/06/2025 | 01:06:11 | -69.54, -20.81 | 94.80 | 26.24 | 72 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/23/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/23/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9