Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/15/2025
| Index | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) |
| 1 | 03/17/2025 | 06:08:39 | 70.21, 84.32 | 71.44 | 03/17/2025 | 06:07:31 | 70.21, 84.35 | 71.44 | 1.57 | 68 |
| 2 | 03/17/2025 | 06:58:09 | -70.10,-108.21 | 108.69 | 03/17/2025 | 06:58:12 | -70.09,-108.15 | 108.70 | 2.64 | 3 |
| 3 | 03/17/2025 | 07:47:41 | 69.72, 58.90 | 70.94 | 03/17/2025 | 07:48:52 | 69.74, 59.68 | 70.92 | 30.39 | 71 |
| 4 | 03/19/2025 | 22:25:04 | 70.21,-159.81 | 70.36 | 03/19/2025 | 22:24:22 | 70.21,-159.85 | 70.37 | 1.74 | 42 |
| 5 | 03/19/2025 | 23:14:34 | -70.09, 7.67 | 109.76 | 03/19/2025 | 23:15:03 | -70.09, 7.65 | 109.77 | 1.07 | 29 |
| 6 | 03/22/2025 | 13:51:49 | -70.96, 149.58 | 109.97 | 03/22/2025 | 13:50:41 | -70.98, 147.39 | 109.87 | 79.38 | 68 |
| 7 | 03/22/2025 | 14:41:29 | 70.14, -44.00 | 69.24 | 03/22/2025 | 14:41:12 | 70.17, -43.99 | 69.27 | 2.71 | 17 |
| 8 | 03/22/2025 | 15:30:59 | -70.03, 123.48 | 110.89 | 03/22/2025 | 15:31:53 | -70.05, 123.51 | 110.88 | 1.91 | 54 |
| 9 | 03/25/2025 | 06:08:24 | -70.25, -95.59 | 111.71 | 03/25/2025 | 06:07:17 | -70.27, -95.66 | 111.68 | 3.42 | 67 |
| 10 | 03/25/2025 | 06:57:51 | 70.13, 71.89 | 68.17 | 03/25/2025 | 06:58:01 | 70.14, 71.84 | 68.18 | 1.85 | 10 |
| 11 | 03/25/2025 | 07:47:26 | -69.75,-121.01 | 112.21 | 03/25/2025 | 07:48:37 | -69.75,-120.25 | 112.25 | 29.32 | 71 |
| 12 | 03/27/2025 | 22:24:47 | -70.19, 20.22 | 112.83 | 03/27/2025 | 22:24:06 | -70.20, 20.24 | 112.81 | 1.62 | 41 |
| 13 | 03/27/2025 | 23:14:14 | 70.07,-172.30 | 67.05 | 03/27/2025 | 23:14:50 | 70.08,-172.26 | 67.05 | 1.75 | 36 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/15/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/15/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP