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: 9/21/2025
| 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 | 09/21/2025 | 23:01:30 | 70.40,-169.69 | 70.00 | 09/21/2025 | 23:02:41 | 70.27,-168.94 | 69.86 | 31.45 | 71 |
| 2 | 09/21/2025 | 23:52:06 | -69.98, -1.72 | 110.42 | 09/21/2025 | 23:52:14 | -69.99, -1.70 | 110.41 | 1.64 | 8 |
| 3 | 09/22/2025 | 00:42:50 | 69.88, 165.74 | 69.49 | 09/22/2025 | 00:41:41 | 69.89, 165.80 | 69.51 | 2.77 | 69 |
| 4 | 09/24/2025 | 15:18:16 | 70.03, -53.33 | 70.66 | 09/24/2025 | 15:19:15 | 70.03, -53.41 | 70.65 | 2.87 | 59 |
| 5 | 09/24/2025 | 16:08:58 | -69.92, 114.15 | 109.44 | 09/24/2025 | 16:08:45 | -69.92, 114.07 | 109.45 | 3.01 | 13 |
| 6 | 09/24/2025 | 16:59:31 | 69.24, -77.55 | 69.89 | 09/24/2025 | 16:58:22 | 69.26, -79.18 | 69.92 | 64.07 | 69 |
| 7 | 09/27/2025 | 07:35:09 | 70.04, 62.44 | 71.71 | 09/27/2025 | 07:35:44 | 70.03, 62.48 | 71.70 | 1.57 | 35 |
| 8 | 09/27/2025 | 08:25:51 | -69.93,-130.07 | 108.40 | 09/27/2025 | 08:25:14 | -69.93,-130.04 | 108.40 | 1.51 | 37 |
| 9 | 09/29/2025 | 23:01:29 | -70.72, 9.84 | 106.58 | 09/29/2025 | 23:02:37 | -70.62, 11.57 | 106.70 | 64.65 | 68 |
| 10 | 09/29/2025 | 23:52:01 | 70.00, 178.29 | 72.71 | 09/29/2025 | 23:52:13 | 70.01, 178.34 | 72.72 | 2.76 | 12 |
| 11 | 09/30/2025 | 00:42:43 | -69.89, -14.23 | 107.40 | 09/30/2025 | 00:41:43 | -69.91, -14.18 | 107.38 | 3.18 | 60 |
| 12 | 10/02/2025 | 15:18:08 | -70.05, 126.68 | 106.22 | 10/02/2025 | 15:19:14 | -70.08, 126.68 | 106.19 | 3.10 | 66 |
| 13 | 10/02/2025 | 16:08:52 | 69.97, -65.88 | 73.71 | 10/02/2025 | 16:08:41 | 69.97, -65.84 | 73.71 | 1.54 | 11 |
| 14 | 10/02/2025 | 16:59:28 | -69.54, 102.08 | 106.71 | 10/02/2025 | 16:58:16 | -69.59, 101.27 | 106.65 | 31.85 | 72 |
| 15 | 10/05/2025 | 07:35:00 | -70.03,-117.49 | 105.21 | 10/05/2025 | 07:35:43 | -70.01,-117.53 | 105.23 | 2.12 | 43 |
| 16 | 10/05/2025 | 08:25:43 | 69.89, 50.03 | 74.66 | 10/05/2025 | 08:25:10 | 69.90, 49.95 | 74.67 | 3.28 | 33 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/21/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 09/21/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8