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: 3/20/2025
| 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 | 14:03:17 | -70.37, 145.15 | 109.71 | 03/20/2025 | 14:04:28 | -70.31, 145.49 | 109.80 | 14.43 | 71 |
| 2 | 03/20/2025 | 14:53:58 | 70.11, -47.13 | 70.00 | 03/20/2025 | 14:53:57 | 70.10, -47.17 | 69.99 | 1.84 | 1 |
| 3 | 03/20/2025 | 15:44:40 | -70.01, 120.33 | 110.12 | 03/20/2025 | 15:43:27 | -69.99, 120.30 | 110.14 | 2.84 | 73 |
| 4 | 03/23/2025 | 06:20:07 | -70.19, -98.79 | 110.97 | 03/23/2025 | 06:21:00 | -70.19, -98.82 | 110.98 | 1.10 | 53 |
| 5 | 03/23/2025 | 07:10:51 | 70.09, 68.68 | 68.91 | 03/23/2025 | 07:10:27 | 70.08, 68.67 | 68.91 | 0.70 | 24 |
| 6 | 03/23/2025 | 08:01:18 | -69.19,-122.70 | 112.04 | 03/23/2025 | 08:00:10 | -69.26,-124.82 | 111.89 | 83.74 | 68 |
| 7 | 03/25/2025 | 22:36:59 | -70.19, 16.99 | 112.04 | 03/25/2025 | 22:37:28 | -70.16, 17.02 | 112.07 | 2.90 | 29 |
| 8 | 03/25/2025 | 23:27:42 | 70.04,-175.47 | 67.80 | 03/25/2025 | 23:26:55 | 70.05,-175.50 | 67.82 | 1.61 | 47 |
| 9 | 03/28/2025 | 14:03:12 | 70.42, -34.91 | 67.18 | 03/28/2025 | 14:04:24 | 70.33, -34.49 | 67.06 | 18.78 | 72 |
| 10 | 03/28/2025 | 14:53:51 | -70.15, 132.83 | 113.13 | 03/28/2025 | 14:53:56 | -70.12, 132.84 | 113.16 | 3.56 | 5 |
| 11 | 03/28/2025 | 15:44:34 | 70.01, -59.65 | 66.72 | 03/28/2025 | 15:43:23 | 70.00, -59.68 | 66.72 | 1.37 | 71 |
| 12 | 03/31/2025 | 06:20:00 | 70.20, 81.21 | 65.90 | 03/31/2025 | 06:20:52 | 70.22, 81.24 | 65.91 | 1.96 | 52 |
| 13 | 03/31/2025 | 07:10:42 | -70.08,-111.29 | 114.24 | 03/31/2025 | 07:10:22 | -70.11,-111.28 | 114.21 | 3.62 | 20 |
| 14 | 03/31/2025 | 08:01:10 | 69.15, 57.38 | 64.78 | 03/31/2025 | 08:00:03 | 69.22, 55.15 | 64.93 | 88.53 | 67 |
| 15 | 04/02/2025 | 22:36:51 | 70.16,-162.94 | 64.82 | 04/02/2025 | 22:37:18 | 70.14,-162.98 | 64.80 | 2.35 | 27 |
| 16 | 04/02/2025 | 23:27:33 | -70.04, 4.56 | 115.33 | 04/02/2025 | 23:26:48 | -70.04, 4.51 | 115.32 | 2.17 | 45 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/20/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/20/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8