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: 1/18/2025
| 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 | 01/18/2025 | 06:20:22 | -70.22, -98.79 | 89.30 | 01/18/2025 | 06:21:22 | -70.22, -98.76 | 89.32 | 1.11 | 60 |
| 2 | 01/18/2025 | 07:11:06 | 70.10, 68.71 | 90.57 | 01/18/2025 | 07:10:49 | 70.12, 68.75 | 90.59 | 2.91 | 17 |
| 3 | 01/18/2025 | 08:01:38 | -69.49,-123.08 | 90.08 | 01/18/2025 | 08:00:28 | -69.51,-124.47 | 90.01 | 54.09 | 70 |
| 4 | 01/20/2025 | 22:37:08 | -70.16, 17.09 | 89.93 | 01/20/2025 | 22:37:49 | -70.17, 17.06 | 89.93 | 1.28 | 41 |
| 5 | 01/20/2025 | 23:27:52 | 70.04,-175.41 | 89.94 | 01/20/2025 | 23:27:16 | 70.06,-175.44 | 89.97 | 2.62 | 36 |
| 6 | 01/23/2025 | 14:03:27 | 70.93, -35.66 | 90.29 | 01/23/2025 | 14:04:35 | 70.85, -33.68 | 90.12 | 73.03 | 68 |
| 7 | 01/23/2025 | 14:53:55 | -70.12, 132.95 | 90.58 | 01/23/2025 | 14:54:16 | -70.13, 132.90 | 90.58 | 2.17 | 21 |
| 8 | 01/23/2025 | 15:44:39 | 70.00, -59.56 | 89.29 | 01/23/2025 | 15:43:43 | 70.02, -59.61 | 89.32 | 3.12 | 56 |
| 9 | 01/26/2025 | 06:20:01 | 70.22, 81.28 | 88.89 | 01/26/2025 | 06:21:12 | 70.22, 81.28 | 88.87 | 0.58 | 71 |
| 10 | 01/26/2025 | 07:10:42 | -70.10,-111.21 | 91.26 | 01/26/2025 | 07:10:42 | -70.11,-111.24 | 91.25 | 1.79 | 0 |
| 11 | 01/26/2025 | 08:01:23 | 69.82, 56.52 | 88.44 | 01/26/2025 | 08:00:11 | 69.89, 56.09 | 88.54 | 18.28 | 72 |
| 12 | 01/28/2025 | 22:36:48 | 70.21,-162.90 | 88.18 | 01/28/2025 | 22:37:37 | 70.21,-162.84 | 88.16 | 2.22 | 49 |
| 13 | 01/28/2025 | 23:27:29 | -70.08, 4.61 | 91.97 | 01/28/2025 | 23:27:07 | -70.10, 4.64 | 91.96 | 1.92 | 22 |
| 14 | 01/29/2025 | 00:17:56 | 69.06, 173.41 | 86.95 | 01/29/2025 | 00:16:50 | 69.10, 170.93 | 87.10 | 98.60 | 66 |
| 15 | 01/31/2025 | 14:53:33 | 70.15, -47.01 | 87.38 | 01/31/2025 | 14:54:01 | 70.15, -47.02 | 87.38 | 0.26 | 28 |
| 16 | 01/31/2025 | 15:44:14 | -70.03, 120.50 | 92.77 | 01/31/2025 | 15:43:31 | -70.05, 120.46 | 92.74 | 2.50 | 43 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 1/18/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 01/18/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8