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: 10/10/2025
| 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 | 10/10/2025 | 15:18:03 | 70.29, -53.63 | 77.08 | 10/10/2025 | 15:19:14 | 70.20, -53.17 | 76.99 | 20.20 | 71 |
| 2 | 10/10/2025 | 16:08:41 | -69.98, 114.16 | 103.22 | 10/10/2025 | 16:08:46 | -69.98, 114.15 | 103.23 | 0.83 | 5 |
| 3 | 10/10/2025 | 16:59:25 | 69.88, -78.38 | 76.70 | 10/10/2025 | 16:58:13 | 69.88, -78.35 | 76.69 | 1.05 | 72 |
| 4 | 10/13/2025 | 07:34:50 | 70.05, 62.53 | 77.85 | 10/13/2025 | 07:35:46 | 70.06, 62.51 | 77.85 | 1.06 | 56 |
| 5 | 10/13/2025 | 08:25:32 | -69.96,-130.01 | 102.24 | 10/13/2025 | 08:25:16 | -69.95,-130.01 | 102.25 | 0.72 | 16 |
| 6 | 10/13/2025 | 09:16:03 | 69.16, 38.46 | 76.98 | 10/13/2025 | 09:14:55 | 69.18, 36.59 | 77.00 | 73.80 | 68 |
| 7 | 10/15/2025 | 23:51:40 | 70.03, 178.35 | 78.82 | 10/15/2025 | 23:52:14 | 70.06, 178.39 | 78.85 | 3.34 | 34 |
| 8 | 10/16/2025 | 00:42:22 | -69.94, -14.19 | 101.27 | 10/16/2025 | 00:41:44 | -69.95, -14.13 | 101.25 | 2.90 | 38 |
| 9 | 10/18/2025 | 15:17:59 | -70.75, 125.69 | 99.49 | 10/18/2025 | 15:19:07 | -70.64, 127.47 | 99.61 | 66.67 | 68 |
| 10 | 10/18/2025 | 16:08:31 | 70.02, -65.84 | 79.79 | 10/18/2025 | 16:08:43 | 70.03, -65.76 | 79.80 | 3.29 | 12 |
| 11 | 10/18/2025 | 16:59:12 | -69.87, 101.71 | 100.36 | 10/18/2025 | 16:58:14 | -69.88, 101.65 | 100.35 | 2.23 | 58 |
| 12 | 10/21/2025 | 07:34:38 | -70.12,-117.50 | 99.17 | 10/21/2025 | 07:35:45 | -70.10,-117.43 | 99.19 | 3.54 | 67 |
| 13 | 10/21/2025 | 08:25:21 | 69.96, 50.04 | 80.69 | 10/21/2025 | 08:25:12 | 69.98, 50.05 | 80.71 | 2.41 | 9 |
| 14 | 10/21/2025 | 09:15:58 | -69.60,-142.10 | 99.66 | 10/21/2025 | 09:14:46 | -69.66,-142.76 | 99.61 | 26.27 | 72 |
| 15 | 10/23/2025 | 23:51:28 | -70.07, -1.63 | 98.28 | 10/23/2025 | 23:52:13 | -70.08, -1.56 | 98.27 | 3.04 | 45 |
| 16 | 10/24/2025 | 00:42:11 | 69.91, 165.91 | 81.58 | 10/24/2025 | 00:41:41 | 69.91, 165.84 | 81.58 | 2.81 | 30 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/10/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/10/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8