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: 1/31/2025
| 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 | 01/31/2025 | 14:53:42 | 70.18, -47.10 | 87.42 | 01/31/2025 | 14:54:19 | 70.20, -47.03 | 87.42 | 3.11 | 37 |
| 2 | 01/31/2025 | 15:44:23 | -70.07, 120.40 | 92.72 | 01/31/2025 | 15:43:49 | -70.09, 120.44 | 92.70 | 2.61 | 34 |
| 3 | 02/03/2025 | 06:20:04 | -70.79, -99.61 | 92.71 | 02/03/2025 | 06:21:13 | -70.72, -98.04 | 92.85 | 58.32 | 69 |
| 4 | 02/03/2025 | 07:10:38 | 70.12, 68.76 | 86.58 | 02/03/2025 | 07:10:49 | 70.12, 68.73 | 86.58 | 1.19 | 11 |
| 5 | 02/03/2025 | 08:01:19 | -70.00,-123.75 | 93.56 | 02/03/2025 | 08:00:19 | -70.01,-123.79 | 93.54 | 1.98 | 60 |
| 6 | 02/05/2025 | 22:36:51 | -70.22, 17.05 | 94.11 | 02/05/2025 | 22:37:51 | -70.22, 17.11 | 94.13 | 2.23 | 60 |
| 7 | 02/05/2025 | 23:27:35 | 70.08,-175.42 | 85.73 | 02/05/2025 | 23:27:19 | 70.06,-175.48 | 85.71 | 3.17 | 16 |
| 8 | 02/06/2025 | 00:18:07 | -69.49, -7.23 | 94.91 | 02/06/2025 | 00:16:57 | -69.51, -8.60 | 94.82 | 53.65 | 70 |
| 9 | 02/08/2025 | 14:53:47 | -70.15, 132.91 | 95.03 | 02/08/2025 | 14:54:20 | -70.17, 132.92 | 95.02 | 1.98 | 33 |
| 10 | 02/08/2025 | 15:44:32 | 70.06, -59.64 | 84.87 | 02/08/2025 | 15:43:47 | 70.06, -59.60 | 84.87 | 1.67 | 45 |
| 11 | 02/11/2025 | 06:20:05 | 70.39, 80.99 | 84.37 | 02/11/2025 | 06:21:16 | 70.35, 81.42 | 84.30 | 16.67 | 71 |
| 12 | 02/11/2025 | 07:10:43 | -70.11,-111.26 | 95.94 | 02/11/2025 | 07:10:48 | -70.13,-111.25 | 95.92 | 2.65 | 5 |
| 13 | 02/11/2025 | 08:01:28 | 70.02, 56.18 | 83.96 | 02/11/2025 | 08:00:15 | 70.02, 56.23 | 83.96 | 1.75 | 73 |
| 14 | 02/13/2025 | 22:36:57 | 70.21,-162.97 | 83.29 | 02/13/2025 | 22:37:44 | 70.21,-162.89 | 83.27 | 3.10 | 47 |
| 15 | 02/13/2025 | 23:27:38 | -70.09, 4.53 | 96.86 | 02/13/2025 | 23:27:14 | -70.11, 4.60 | 96.84 | 3.01 | 24 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 1/31/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 01/31/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8