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: 3/19/2025
| 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 | 03/20/2025 | 14:03:16 | -70.30, 145.27 | 109.80 | 03/20/2025 | 14:04:27 | -70.28, 145.45 | 109.83 | 6.91 | 71 |
| 2 | 03/20/2025 | 14:53:59 | 70.13, -47.17 | 70.03 | 03/20/2025 | 14:53:55 | 70.12, -47.14 | 70.00 | 2.49 | 4 |
| 3 | 03/20/2025 | 15:44:38 | -69.93, 120.45 | 110.20 | 03/20/2025 | 15:43:25 | -69.94, 120.25 | 110.18 | 7.59 | 73 |
| 4 | 03/23/2025 | 06:20:06 | -70.16, -98.74 | 111.00 | 03/23/2025 | 06:20:51 | -70.18, -98.79 | 110.99 | 3.10 | 45 |
| 5 | 03/23/2025 | 07:10:50 | 70.06, 68.72 | 68.88 | 03/23/2025 | 07:10:18 | 70.07, 68.70 | 68.90 | 1.73 | 32 |
| 6 | 03/25/2025 | 21:46:27 | 70.78,-151.28 | 68.61 | 03/25/2025 | 21:47:36 | 70.69,-149.78 | 68.46 | 55.96 | 69 |
| 7 | 03/25/2025 | 22:36:59 | -70.15, 17.05 | 112.08 | 03/25/2025 | 22:37:14 | -70.14, 17.05 | 112.09 | 1.34 | 15 |
| 8 | 03/25/2025 | 23:27:42 | 70.00,-175.42 | 67.76 | 03/25/2025 | 23:26:41 | 70.02,-175.47 | 67.79 | 3.10 | 61 |
| 9 | 03/28/2025 | 14:03:09 | 70.22, -34.60 | 66.96 | 03/28/2025 | 14:04:06 | 70.19, -34.60 | 66.93 | 2.75 | 57 |
| 10 | 03/28/2025 | 14:53:51 | -70.10, 132.90 | 113.18 | 03/28/2025 | 14:53:36 | -70.08, 132.88 | 113.20 | 2.37 | 15 |
| 11 | 03/28/2025 | 15:44:22 | 69.33, -58.65 | 66.01 | 03/28/2025 | 15:43:14 | 69.36, -60.47 | 66.11 | 71.56 | 68 |
| 12 | 03/31/2025 | 06:20:00 | 70.15, 81.30 | 65.84 | 03/31/2025 | 06:20:27 | 70.13, 81.23 | 65.82 | 3.02 | 27 |
| 13 | 03/31/2025 | 07:10:43 | -70.08,-111.28 | 114.25 | 03/31/2025 | 07:09:56 | -70.08,-111.22 | 114.25 | 2.50 | 47 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/19/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/19/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8