Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/12/2025
Index | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
1 | 03/13/2025 | 06:32:57 | -70.16,-101.94 | 107.03 | 03/13/2025 | 06:33:43 | -70.14,-101.98 | 107.06 | 2.91 | 46 |
2 | 03/13/2025 | 07:23:41 | 70.02, 65.57 | 72.81 | 03/13/2025 | 07:23:10 | 70.03, 65.52 | 72.83 | 2.44 | 31 |
3 | 03/15/2025 | 21:59:21 | 70.98,-154.80 | 72.80 | 03/15/2025 | 22:00:28 | 70.89,-152.61 | 72.61 | 80.34 | 67 |
4 | 03/15/2025 | 22:49:48 | -70.13, 13.89 | 108.13 | 03/15/2025 | 22:50:10 | -70.12, 13.88 | 108.14 | 1.52 | 22 |
5 | 03/15/2025 | 23:40:32 | 70.00,-178.60 | 71.72 | 03/15/2025 | 23:39:37 | 70.01,-178.63 | 71.75 | 1.99 | 55 |
6 | 03/18/2025 | 14:15:57 | 70.24, -37.80 | 70.94 | 03/18/2025 | 14:17:05 | 70.22, -37.72 | 70.91 | 3.48 | 68 |
7 | 03/18/2025 | 15:06:38 | -70.12, 129.71 | 109.21 | 03/18/2025 | 15:06:35 | -70.11, 129.76 | 109.22 | 1.97 | 3 |
8 | 03/18/2025 | 15:57:18 | 69.77, -62.46 | 70.42 | 03/18/2025 | 15:56:05 | 69.84, -62.98 | 70.51 | 21.16 | 73 |
9 | 03/21/2025 | 06:32:47 | 70.18, 78.08 | 69.82 | 03/21/2025 | 06:33:31 | 70.17, 78.10 | 69.79 | 1.83 | 44 |
10 | 03/21/2025 | 07:23:28 | -70.06,-114.41 | 110.33 | 03/21/2025 | 07:23:01 | -70.06,-114.42 | 110.33 | 0.42 | 27 |
11 | 03/23/2025 | 21:59:09 | -71.10, 25.07 | 110.27 | 03/23/2025 | 22:00:15 | -71.00, 27.60 | 110.46 | 91.95 | 66 |
12 | 03/23/2025 | 22:49:37 | 70.14,-166.06 | 68.71 | 03/23/2025 | 22:49:56 | 70.12,-166.07 | 68.69 | 1.88 | 19 |
13 | 03/23/2025 | 23:40:18 | -70.02, 1.45 | 111.44 | 03/23/2025 | 23:39:26 | -70.02, 1.42 | 111.43 | 1.40 | 52 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/12/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/12/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9