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: 4/17/2025
| 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 | 04/17/2025 | 15:17:14 | 70.60, -54.15 | 59.86 | 04/17/2025 | 15:18:23 | 70.51, -52.79 | 59.72 | 51.25 | 69 |
| 2 | 04/17/2025 | 16:07:46 | -69.99, 114.13 | 120.80 | 04/17/2025 | 16:08:00 | -70.01, 114.12 | 120.79 | 1.79 | 14 |
| 3 | 04/17/2025 | 16:58:31 | 69.92, -78.45 | 59.12 | 04/17/2025 | 16:57:27 | 69.90, -78.38 | 59.11 | 3.04 | 64 |
| 4 | 04/20/2025 | 07:34:03 | 70.09, 62.42 | 58.39 | 04/20/2025 | 07:34:57 | 70.07, 62.46 | 58.36 | 2.95 | 54 |
| 5 | 04/20/2025 | 08:24:44 | -69.95,-130.05 | 121.77 | 04/20/2025 | 08:24:27 | -69.95,-130.07 | 121.77 | 1.12 | 17 |
| 6 | 04/20/2025 | 09:15:14 | 69.08, 38.52 | 57.33 | 04/20/2025 | 09:14:07 | 69.13, 36.46 | 57.43 | 81.56 | 67 |
| 7 | 04/22/2025 | 23:50:59 | 70.01, 178.30 | 57.40 | 04/22/2025 | 23:51:22 | 70.02, 178.28 | 57.41 | 1.18 | 23 |
| 8 | 04/23/2025 | 00:41:41 | -69.91, -14.24 | 122.71 | 04/23/2025 | 00:40:52 | -69.91, -14.25 | 122.72 | 1.08 | 49 |
| 9 | 04/25/2025 | 15:17:13 | -70.10, 126.61 | 123.37 | 04/25/2025 | 15:18:20 | -70.09, 126.63 | 123.39 | 1.49 | 67 |
| 10 | 04/25/2025 | 16:07:57 | 70.00, -65.92 | 56.51 | 04/25/2025 | 16:07:47 | 69.98, -65.88 | 56.49 | 2.16 | 10 |
| 11 | 04/25/2025 | 16:58:33 | -69.58, 102.02 | 123.94 | 04/25/2025 | 16:57:21 | -69.65, 101.30 | 123.85 | 29.23 | 72 |
| 12 | 04/28/2025 | 07:34:10 | -70.04,-117.54 | 124.29 | 04/28/2025 | 07:34:44 | -70.07,-117.50 | 124.27 | 3.33 | 34 |
| 13 | 04/28/2025 | 08:24:54 | 69.94, 49.93 | 55.59 | 04/28/2025 | 08:24:11 | 69.96, 49.98 | 55.61 | 2.64 | 43 |
| 14 | 04/30/2025 | 23:00:26 | 70.16,-169.27 | 55.02 | 04/30/2025 | 23:01:38 | 70.11,-169.18 | 54.96 | 6.26 | 72 |
| 15 | 04/30/2025 | 23:51:07 | -69.99, -1.70 | 125.17 | 04/30/2025 | 23:51:08 | -70.00, -1.70 | 125.16 | 1.17 | 1 |
| 16 | 05/01/2025 | 00:41:49 | 69.79, 165.91 | 54.61 | 05/01/2025 | 00:40:36 | 69.83, 165.71 | 54.66 | 9.22 | 73 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/17/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/17/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8