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: 12/23/2025
| 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 | 12/24/2025 | 05:55:37 | -70.33, -92.91 | 86.33 | 12/24/2025 | 05:56:49 | -70.28, -92.49 | 86.39 | 16.76 | 72 |
| 2 | 12/24/2025 | 06:46:18 | 70.06, 74.83 | 93.40 | 12/24/2025 | 06:46:18 | 70.07, 74.86 | 93.40 | 1.54 | 0 |
| 3 | 12/24/2025 | 07:37:00 | -69.97,-117.71 | 86.71 | 12/24/2025 | 07:35:48 | -69.96,-117.67 | 86.71 | 1.96 | 72 |
| 4 | 12/26/2025 | 22:12:31 | -70.15, 23.14 | 86.59 | 12/26/2025 | 22:13:19 | -70.15, 23.21 | 86.60 | 2.43 | 48 |
| 5 | 12/26/2025 | 23:03:14 | 69.99,-169.30 | 93.25 | 12/26/2025 | 23:02:47 | 69.99,-169.37 | 93.25 | 2.80 | 27 |
| 6 | 12/29/2025 | 13:39:00 | 70.93, -29.65 | 94.09 | 12/29/2025 | 13:40:07 | 70.82, -27.55 | 93.93 | 77.44 | 67 |
| 7 | 12/29/2025 | 14:29:28 | -70.08, 139.02 | 86.79 | 12/29/2025 | 14:29:48 | -70.11, 139.03 | 86.77 | 2.71 | 20 |
| 8 | 12/29/2025 | 15:20:12 | 69.98, -53.52 | 93.11 | 12/29/2025 | 15:19:15 | 70.00, -53.48 | 93.13 | 2.72 | 57 |
| 9 | 01/01/2026 | 05:55:43 | 70.13, 87.39 | 93.08 | 01/01/2026 | 05:56:47 | 70.15, 87.34 | 93.09 | 2.83 | 64 |
| 10 | 01/01/2026 | 06:46:25 | -70.02,-105.12 | 87.04 | 01/01/2026 | 06:46:17 | -70.04,-105.18 | 87.02 | 3.32 | 8 |
| 11 | 01/01/2026 | 07:37:01 | 69.50, 62.97 | 92.42 | 01/01/2026 | 07:35:51 | 69.55, 61.78 | 92.50 | 46.47 | 70 |
| 12 | 01/03/2026 | 22:12:41 | 70.14,-156.84 | 92.84 | 01/03/2026 | 22:13:15 | 70.12,-156.82 | 92.82 | 2.04 | 34 |
| 13 | 01/03/2026 | 23:03:23 | -70.02, 10.65 | 87.29 | 01/03/2026 | 23:02:45 | -70.01, 10.66 | 87.29 | 0.79 | 38 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 12/23/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 12/23/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8