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: 9/27/2025
| 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 | 09/29/2025 | 23:01:27 | -70.66, 9.93 | 106.63 | 09/29/2025 | 23:02:36 | -70.57, 11.51 | 106.74 | 59.13 | 69 |
| 2 | 09/29/2025 | 23:52:00 | 69.99, 178.30 | 72.70 | 09/29/2025 | 23:52:12 | 69.98, 178.29 | 72.69 | 1.06 | 12 |
| 3 | 09/30/2025 | 00:42:42 | -69.89, -14.23 | 107.40 | 09/30/2025 | 00:41:42 | -69.87, -14.23 | 107.42 | 2.17 | 60 |
| 4 | 10/02/2025 | 15:18:08 | -70.07, 126.66 | 106.21 | 10/02/2025 | 15:19:13 | -70.05, 126.63 | 106.23 | 2.62 | 65 |
| 5 | 10/02/2025 | 16:08:52 | 69.97, -65.88 | 73.72 | 10/02/2025 | 16:08:40 | 69.94, -65.88 | 73.68 | 3.48 | 12 |
| 6 | 10/02/2025 | 16:59:27 | -69.49, 102.14 | 106.76 | 10/02/2025 | 16:58:15 | -69.55, 101.23 | 106.69 | 36.11 | 72 |
| 7 | 10/05/2025 | 07:34:59 | -70.00,-117.45 | 105.24 | 10/05/2025 | 07:35:40 | -70.02,-117.51 | 105.22 | 3.05 | 41 |
| 8 | 10/05/2025 | 08:25:43 | 69.91, 50.00 | 74.69 | 10/05/2025 | 08:25:07 | 69.91, 49.98 | 74.69 | 0.91 | 36 |
| 9 | 10/07/2025 | 23:01:18 | 70.64,-169.98 | 76.42 | 10/07/2025 | 23:02:27 | 70.56,-168.47 | 76.33 | 56.44 | 69 |
| 10 | 10/07/2025 | 23:51:50 | -70.00, -1.67 | 104.21 | 10/07/2025 | 23:52:05 | -70.01, -1.63 | 104.21 | 1.51 | 15 |
| 11 | 10/08/2025 | 00:42:34 | 69.91, 165.79 | 75.71 | 10/08/2025 | 00:41:32 | 69.90, 165.85 | 75.70 | 3.00 | 62 |
| 12 | 10/10/2025 | 15:17:59 | 70.07, -53.30 | 76.86 | 10/10/2025 | 15:19:01 | 70.07, -53.29 | 76.86 | 0.81 | 62 |
| 13 | 10/10/2025 | 16:08:41 | -69.96, 114.19 | 103.24 | 10/10/2025 | 16:08:31 | -69.96, 114.19 | 103.24 | 0.48 | 10 |
| 14 | 10/10/2025 | 16:59:16 | 69.39, -77.66 | 76.21 | 10/10/2025 | 16:58:05 | 69.46, -78.85 | 76.27 | 46.90 | 71 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/27/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/27/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8