Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/27/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 03/27/2025 | 07:33:54 | -70.47,-118.12 | 112.27 | 03/27/2025 | 07:35:05 | -70.33,-117.15 | 112.44 | 38.85 | 71 |
| 2 | 03/27/2025 | 08:24:31 | 69.96, 49.97 | 67.20 | 03/27/2025 | 08:24:37 | 69.95, 49.95 | 67.19 | 1.17 | 6 |
| 3 | 03/27/2025 | 09:15:12 | -69.85,-142.53 | 112.94 | 03/27/2025 | 09:14:07 | -69.84,-142.57 | 112.94 | 1.54 | 65 |
| 4 | 03/29/2025 | 23:50:35 | -70.04, -1.66 | 113.77 | 03/29/2025 | 23:51:36 | -70.02, -1.72 | 113.79 | 3.19 | 61 |
| 5 | 03/30/2025 | 00:41:19 | 69.91, 165.85 | 66.09 | 03/30/2025 | 00:41:03 | 69.91, 165.78 | 66.09 | 2.83 | 16 |
| 6 | 03/30/2025 | 01:31:51 | -69.31, -25.96 | 114.55 | 03/30/2025 | 01:30:41 | -69.36, -27.34 | 114.45 | 54.39 | 70 |
| 7 | 04/01/2025 | 16:07:24 | -70.00, 114.21 | 114.85 | 04/01/2025 | 16:08:01 | -70.02, 114.17 | 114.84 | 2.77 | 37 |
| 8 | 04/01/2025 | 16:58:09 | 69.92, -78.38 | 65.06 | 04/01/2025 | 16:57:28 | 69.90, -78.34 | 65.05 | 2.44 | 41 |
| 9 | 04/04/2025 | 07:33:40 | 70.52, 61.86 | 64.68 | 04/04/2025 | 07:34:50 | 70.38, 62.96 | 64.50 | 43.57 | 70 |
| 10 | 04/04/2025 | 08:24:13 | -69.97,-129.96 | 115.91 | 04/04/2025 | 08:24:25 | -70.00,-129.96 | 115.88 | 3.51 | 12 |
| 11 | 04/04/2025 | 09:14:58 | 69.90, 37.45 | 64.01 | 04/04/2025 | 09:13:52 | 69.88, 37.53 | 64.00 | 3.46 | 66 |
| 12 | 04/06/2025 | 23:50:20 | 70.04, 178.41 | 63.16 | 04/06/2025 | 23:51:18 | 70.07, 178.42 | 63.19 | 3.65 | 58 |
| 13 | 04/07/2025 | 00:41:02 | -69.96, -14.14 | 116.94 | 04/07/2025 | 00:40:48 | -69.97, -14.10 | 116.94 | 1.84 | 14 |
| 14 | 04/07/2025 | 01:31:34 | 69.21, 154.26 | 62.27 | 04/07/2025 | 01:30:25 | 69.29, 152.63 | 62.41 | 64.92 | 69 |
| 15 | 04/09/2025 | 16:07:07 | 70.00, -65.72 | 62.11 | 04/09/2025 | 16:07:39 | 70.02, -65.75 | 62.13 | 2.82 | 32 |
| 16 | 04/09/2025 | 16:57:49 | -69.91, 101.73 | 118.00 | 04/09/2025 | 16:57:09 | -69.92, 101.74 | 117.99 | 0.79 | 40 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/27/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 03/27/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8