Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/19/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 01/20/2025 | 22:37:09 | -70.19, 17.05 | 89.90 | 01/20/2025 | 22:37:49 | -70.19, 17.10 | 89.91 | 1.76 | 40 |
| 2 | 01/20/2025 | 23:27:53 | 70.07,-175.46 | 89.97 | 01/20/2025 | 23:27:16 | 70.09,-175.41 | 90.00 | 3.02 | 37 |
| 3 | 01/23/2025 | 14:03:28 | 70.96, -35.71 | 90.32 | 01/23/2025 | 14:04:35 | 70.87, -33.64 | 90.14 | 76.02 | 67 |
| 4 | 01/23/2025 | 14:53:56 | -70.15, 132.91 | 90.55 | 01/23/2025 | 14:54:16 | -70.15, 132.93 | 90.55 | 0.89 | 20 |
| 5 | 01/23/2025 | 15:44:40 | 70.03, -59.60 | 89.32 | 01/23/2025 | 15:43:43 | 70.05, -59.58 | 89.34 | 2.01 | 57 |
| 6 | 01/26/2025 | 06:20:01 | 70.25, 81.23 | 88.92 | 01/26/2025 | 06:21:11 | 70.24, 81.31 | 88.89 | 3.49 | 70 |
| 7 | 01/26/2025 | 07:10:42 | -70.13,-111.26 | 91.23 | 01/26/2025 | 07:10:41 | -70.13,-111.22 | 91.23 | 1.54 | 1 |
| 8 | 01/26/2025 | 08:01:23 | 69.85, 56.48 | 88.47 | 01/26/2025 | 08:00:10 | 69.91, 56.12 | 88.55 | 15.18 | 73 |
| 9 | 01/28/2025 | 22:36:47 | 70.19,-162.87 | 88.16 | 01/28/2025 | 22:37:37 | 70.17,-162.90 | 88.12 | 2.92 | 50 |
| 10 | 01/28/2025 | 23:27:28 | -70.06, 4.64 | 91.99 | 01/28/2025 | 23:27:07 | -70.06, 4.58 | 92.00 | 2.58 | 21 |
| 11 | 01/29/2025 | 00:17:55 | 69.04, 173.44 | 86.93 | 01/29/2025 | 00:16:49 | 69.11, 170.95 | 87.11 | 99.18 | 66 |
| 12 | 01/31/2025 | 14:53:33 | 70.14, -46.99 | 87.37 | 01/31/2025 | 14:54:01 | 70.16, -47.01 | 87.38 | 2.49 | 28 |
| 13 | 01/31/2025 | 15:44:15 | -70.07, 120.44 | 92.73 | 01/31/2025 | 15:43:31 | -70.05, 120.47 | 92.73 | 1.91 | 44 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 1/19/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 01/19/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8