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: 6/21/2025
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 | 06/22/2025 | 13:26:46 | -70.25, 154.74 | 133.23 | 06/22/2025 | 13:27:23 | -70.25, 154.76 | 133.23 | 0.67 | 37 |
2 | 06/22/2025 | 14:17:30 | 70.14, -37.79 | 46.67 | 06/22/2025 | 14:16:50 | 70.15, -37.74 | 46.68 | 1.92 | 40 |
3 | 06/25/2025 | 04:53:07 | 70.75, 102.39 | 47.36 | 06/25/2025 | 04:54:17 | 70.66, 103.61 | 47.22 | 45.84 | 70 |
4 | 06/25/2025 | 05:43:41 | -70.23, -89.46 | 133.19 | 06/25/2025 | 05:43:53 | -70.22, -89.41 | 133.20 | 2.20 | 12 |
5 | 06/25/2025 | 06:34:25 | 70.13, 78.02 | 46.70 | 06/25/2025 | 06:33:20 | 70.12, 78.09 | 46.70 | 2.81 | 65 |
6 | 06/27/2025 | 21:09:54 | 70.27,-141.05 | 46.95 | 06/27/2025 | 21:10:54 | 70.29,-141.07 | 46.96 | 2.35 | 60 |
7 | 06/27/2025 | 22:00:36 | -70.17, 26.42 | 133.15 | 06/27/2025 | 22:00:24 | -70.18, 26.41 | 133.14 | 1.57 | 12 |
8 | 06/27/2025 | 22:51:10 | 69.53,-165.31 | 46.19 | 06/27/2025 | 22:50:00 | 69.58,-166.79 | 46.29 | 57.47 | 70 |
9 | 06/30/2025 | 13:26:50 | 70.26, -25.26 | 47.09 | 06/30/2025 | 13:27:25 | 70.23, -25.28 | 47.06 | 3.45 | 35 |
10 | 06/30/2025 | 14:17:31 | -70.11, 142.29 | 133.07 | 06/30/2025 | 14:16:55 | -70.12, 142.21 | 133.04 | 3.70 | 36 |
11 | 07/03/2025 | 04:53:11 | -70.83, -77.71 | 132.11 | 07/03/2025 | 04:54:21 | -70.70, -76.33 | 132.29 | 52.54 | 70 |
12 | 07/03/2025 | 05:43:45 | 70.20, 90.61 | 47.23 | 07/03/2025 | 05:43:55 | 70.21, 90.58 | 47.24 | 1.54 | 10 |
13 | 07/03/2025 | 06:34:27 | -70.10,-101.92 | 132.87 | 07/03/2025 | 06:33:25 | -70.11,-101.93 | 132.86 | 0.85 | 62 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/21/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/21/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9