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: 4/12/2025
| 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 | 04/12/2025 | 07:33:52 | -70.19,-117.70 | 118.66 | 04/12/2025 | 07:35:03 | -70.17,-117.41 | 118.70 | 11.16 | 71 |
| 2 | 04/12/2025 | 08:24:34 | 69.96, 49.97 | 61.08 | 04/12/2025 | 08:24:32 | 69.96, 49.94 | 61.08 | 1.46 | 2 |
| 3 | 04/12/2025 | 09:15:15 | -69.83,-142.51 | 119.07 | 04/12/2025 | 09:14:02 | -69.85,-142.59 | 119.04 | 3.74 | 73 |
| 4 | 04/14/2025 | 23:50:48 | -70.02, -1.68 | 119.81 | 04/14/2025 | 23:51:33 | -70.04, -1.71 | 119.80 | 2.52 | 45 |
| 5 | 04/15/2025 | 00:41:33 | 69.95, 165.74 | 60.10 | 04/15/2025 | 00:41:00 | 69.94, 165.78 | 60.09 | 2.02 | 33 |
| 6 | 04/17/2025 | 15:17:14 | 70.58, -54.12 | 59.84 | 04/17/2025 | 15:18:24 | 70.47, -52.84 | 59.68 | 48.86 | 70 |
| 7 | 04/17/2025 | 16:07:47 | -70.02, 114.09 | 120.77 | 04/17/2025 | 16:08:00 | -70.03, 114.15 | 120.76 | 2.85 | 13 |
| 8 | 04/17/2025 | 16:58:31 | 69.90, -78.42 | 59.10 | 04/17/2025 | 16:57:28 | 69.87, -78.43 | 59.07 | 3.49 | 63 |
| 9 | 04/20/2025 | 07:34:02 | 70.07, 62.45 | 58.37 | 04/20/2025 | 07:34:56 | 70.08, 62.48 | 58.38 | 1.87 | 54 |
| 10 | 04/20/2025 | 08:24:44 | -69.98,-130.09 | 121.74 | 04/20/2025 | 08:24:26 | -69.97,-130.04 | 121.75 | 1.89 | 18 |
| 11 | 04/20/2025 | 09:15:14 | 69.12, 38.47 | 57.36 | 04/20/2025 | 09:14:06 | 69.14, 36.49 | 57.45 | 78.53 | 68 |
| 12 | 04/22/2025 | 23:51:00 | 70.04, 178.25 | 57.44 | 04/22/2025 | 23:51:22 | 70.03, 178.30 | 57.42 | 2.25 | 22 |
| 13 | 04/23/2025 | 00:41:42 | -69.94, -14.28 | 122.68 | 04/23/2025 | 00:40:52 | -69.93, -14.22 | 122.70 | 2.96 | 50 |
| 14 | 04/25/2025 | 15:17:13 | -70.08, 126.65 | 123.40 | 04/25/2025 | 15:18:21 | -70.06, 126.58 | 123.43 | 3.45 | 68 |
| 15 | 04/25/2025 | 16:07:57 | 69.97, -65.88 | 56.48 | 04/25/2025 | 16:07:47 | 70.00, -65.86 | 56.50 | 2.53 | 10 |
| 16 | 04/25/2025 | 16:58:34 | -69.60, 101.98 | 123.92 | 04/25/2025 | 16:57:22 | -69.61, 101.25 | 123.88 | 28.55 | 72 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/12/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/12/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8