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: 2/21/2025
| 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 | 02/21/2025 | 06:08:53 | -70.18, -95.74 | 99.34 | 02/21/2025 | 06:07:55 | -70.15, -95.72 | 99.35 | 2.83 | 58 |
| 2 | 02/21/2025 | 06:58:20 | 70.07, 71.75 | 80.55 | 02/21/2025 | 06:58:40 | 70.09, 71.69 | 80.57 | 2.94 | 20 |
| 3 | 02/21/2025 | 07:48:01 | -69.35,-121.60 | 100.14 | 02/21/2025 | 07:49:09 | -69.32,-119.85 | 100.26 | 68.70 | 68 |
| 4 | 02/23/2025 | 22:25:20 | -70.15, 20.10 | 100.35 | 02/23/2025 | 22:24:48 | -70.13, 20.10 | 100.36 | 1.48 | 32 |
| 5 | 02/23/2025 | 23:14:47 | 70.04,-172.41 | 79.54 | 02/23/2025 | 23:15:32 | 70.02,-172.41 | 79.51 | 2.51 | 45 |
| 6 | 02/26/2025 | 13:52:15 | 70.29, -31.43 | 78.80 | 02/26/2025 | 13:51:02 | 70.37, -31.80 | 78.91 | 16.42 | 73 |
| 7 | 02/26/2025 | 14:41:46 | -70.13, 135.97 | 101.37 | 02/26/2025 | 14:41:41 | -70.13, 135.89 | 101.37 | 2.83 | 5 |
| 8 | 02/26/2025 | 15:31:13 | 70.02, -56.55 | 78.52 | 02/26/2025 | 15:32:25 | 70.01, -56.62 | 78.50 | 2.89 | 72 |
| 9 | 03/01/2025 | 06:08:41 | 70.18, 84.30 | 77.68 | 03/01/2025 | 06:07:50 | 70.17, 84.30 | 77.68 | 1.20 | 51 |
| 10 | 03/01/2025 | 06:58:11 | -70.07,-108.22 | 102.44 | 03/01/2025 | 06:58:32 | -70.08,-108.25 | 102.43 | 1.56 | 21 |
| 11 | 03/01/2025 | 07:47:54 | 69.07, 58.07 | 76.61 | 03/01/2025 | 07:48:59 | 69.06, 60.55 | 76.49 | 98.44 | 65 |
| 12 | 03/03/2025 | 22:25:06 | 70.13,-159.88 | 76.60 | 03/03/2025 | 22:24:42 | 70.13,-159.86 | 76.61 | 0.95 | 24 |
| 13 | 03/03/2025 | 23:14:36 | -70.02, 7.61 | 103.52 | 03/03/2025 | 23:15:24 | -70.05, 7.59 | 103.50 | 2.80 | 48 |
| 14 | 03/06/2025 | 13:52:03 | -70.21, 148.50 | 104.35 | 03/06/2025 | 13:50:50 | -70.23, 148.47 | 104.32 | 1.97 | 73 |
| 15 | 03/06/2025 | 14:41:30 | 70.09, -44.03 | 75.52 | 03/06/2025 | 14:41:34 | 70.11, -44.04 | 75.55 | 2.26 | 4 |
| 16 | 03/06/2025 | 15:31:01 | -69.93, 123.38 | 104.64 | 03/06/2025 | 15:32:14 | -69.92, 123.57 | 104.67 | 7.35 | 73 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 2/21/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 02/21/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP