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: 3/25/2025
| 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 | 03/25/2025 | 22:36:58 | -70.14, 17.07 | 112.09 | 03/25/2025 | 22:37:28 | -70.14, 16.99 | 112.08 | 2.94 | 30 |
| 2 | 03/25/2025 | 23:27:42 | 70.04,-175.47 | 67.80 | 03/25/2025 | 23:26:55 | 70.04,-175.51 | 67.81 | 1.65 | 47 |
| 3 | 03/28/2025 | 14:03:12 | 70.42, -34.92 | 67.18 | 03/28/2025 | 14:04:23 | 70.36, -34.44 | 67.09 | 18.98 | 71 |
| 4 | 03/28/2025 | 14:53:51 | -70.16, 132.82 | 113.12 | 03/28/2025 | 14:53:55 | -70.14, 132.87 | 113.14 | 2.78 | 4 |
| 5 | 03/28/2025 | 15:44:34 | 70.01, -59.65 | 66.72 | 03/28/2025 | 15:43:22 | 70.03, -59.64 | 66.75 | 2.33 | 72 |
| 6 | 03/31/2025 | 06:20:00 | 70.21, 81.20 | 65.91 | 03/31/2025 | 06:20:51 | 70.23, 81.26 | 65.92 | 3.30 | 51 |
| 7 | 03/31/2025 | 07:10:42 | -70.09,-111.30 | 114.23 | 03/31/2025 | 07:10:22 | -70.07,-111.34 | 114.26 | 3.15 | 20 |
| 8 | 03/31/2025 | 08:01:10 | 69.15, 57.37 | 64.78 | 03/31/2025 | 08:00:03 | 69.18, 55.10 | 64.89 | 90.06 | 67 |
| 9 | 04/02/2025 | 22:36:51 | 70.17,-162.96 | 64.83 | 04/02/2025 | 22:37:17 | 70.14,-162.98 | 64.80 | 3.40 | 26 |
| 10 | 04/02/2025 | 23:27:33 | -70.05, 4.54 | 115.31 | 04/02/2025 | 23:26:47 | -70.03, 4.50 | 115.33 | 2.41 | 46 |
| 11 | 04/05/2025 | 14:03:00 | -70.38, 145.18 | 115.96 | 04/05/2025 | 14:04:11 | -70.32, 145.53 | 116.05 | 14.99 | 71 |
| 12 | 04/05/2025 | 14:53:41 | 70.15, -47.14 | 63.79 | 04/05/2025 | 14:53:39 | 70.14, -47.07 | 63.77 | 2.84 | 2 |
| 13 | 04/05/2025 | 15:44:23 | -70.03, 120.36 | 116.36 | 04/05/2025 | 15:43:09 | -70.04, 120.41 | 116.35 | 2.06 | 74 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/25/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/25/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8