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: 3/21/2025
| 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 | 03/23/2025 | 06:20:07 | -70.22, -98.83 | 110.94 | 03/23/2025 | 06:20:59 | -70.22, -98.78 | 110.95 | 2.07 | 52 |
| 2 | 03/23/2025 | 07:10:50 | 70.06, 68.71 | 68.89 | 03/23/2025 | 07:10:27 | 70.05, 68.64 | 68.88 | 3.08 | 23 |
| 3 | 03/23/2025 | 08:01:17 | -69.17,-122.67 | 112.06 | 03/23/2025 | 08:00:10 | -69.23,-124.85 | 111.92 | 86.57 | 67 |
| 4 | 03/25/2025 | 22:36:59 | -70.16, 17.04 | 112.07 | 03/25/2025 | 22:37:29 | -70.14, 16.98 | 112.09 | 3.11 | 30 |
| 5 | 03/25/2025 | 23:27:43 | 70.06,-175.51 | 67.83 | 03/25/2025 | 23:26:55 | 70.08,-175.45 | 67.85 | 3.00 | 48 |
| 6 | 03/28/2025 | 14:03:13 | 70.44, -34.94 | 67.20 | 03/28/2025 | 14:04:24 | 70.36, -34.44 | 67.09 | 20.65 | 71 |
| 7 | 03/28/2025 | 14:53:51 | -70.12, 132.88 | 113.16 | 03/28/2025 | 14:53:57 | -70.10, 132.81 | 113.18 | 3.60 | 6 |
| 8 | 03/28/2025 | 15:44:35 | 70.03, -59.68 | 66.74 | 03/28/2025 | 15:43:23 | 70.04, -59.63 | 66.75 | 1.94 | 72 |
| 9 | 03/31/2025 | 06:20:01 | 70.21, 81.19 | 65.91 | 03/31/2025 | 06:20:53 | 70.20, 81.21 | 65.89 | 2.03 | 52 |
| 10 | 03/31/2025 | 07:10:42 | -70.09,-111.31 | 114.23 | 03/31/2025 | 07:10:22 | -70.09,-111.31 | 114.23 | 0.20 | 20 |
| 11 | 03/31/2025 | 08:01:10 | 69.16, 57.36 | 64.79 | 03/31/2025 | 08:00:03 | 69.20, 55.12 | 64.91 | 88.58 | 67 |
| 12 | 04/02/2025 | 22:36:51 | 70.17,-162.95 | 64.83 | 04/02/2025 | 22:37:17 | 70.18,-162.93 | 64.83 | 1.70 | 26 |
| 13 | 04/02/2025 | 23:27:33 | -70.04, 4.55 | 115.32 | 04/02/2025 | 23:26:48 | -70.02, 4.48 | 115.34 | 3.56 | 45 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/21/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/21/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8