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: 7/10/2025
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 | 07/11/2025 | 04:53:11 | 70.67, 102.56 | 48.61 | 07/11/2025 | 04:54:22 | 70.54, 103.45 | 48.43 | 35.82 | 71 |
2 | 07/11/2025 | 05:43:46 | -70.23, -89.41 | 131.86 | 07/11/2025 | 05:43:56 | -70.21, -89.40 | 131.88 | 2.20 | 10 |
3 | 07/11/2025 | 06:34:30 | 70.10, 78.10 | 48.01 | 07/11/2025 | 06:33:23 | 70.11, 78.09 | 48.03 | 1.13 | 67 |
4 | 07/13/2025 | 21:10:00 | 70.31,-141.09 | 48.62 | 07/13/2025 | 21:10:55 | 70.30,-141.02 | 48.58 | 3.24 | 55 |
5 | 07/13/2025 | 22:00:41 | -70.19, 26.43 | 131.52 | 07/13/2025 | 22:00:25 | -70.19, 26.45 | 131.52 | 0.97 | 16 |
6 | 07/13/2025 | 22:51:12 | 69.37,-165.04 | 47.63 | 07/13/2025 | 22:50:04 | 69.42,-166.97 | 47.76 | 75.69 | 68 |
7 | 07/16/2025 | 13:26:54 | 70.28, -25.25 | 49.01 | 07/16/2025 | 13:27:23 | 70.26, -25.19 | 48.98 | 3.31 | 29 |
8 | 07/16/2025 | 14:17:35 | -70.15, 142.26 | 131.13 | 07/16/2025 | 14:16:53 | -70.15, 142.29 | 131.12 | 1.02 | 42 |
9 | 07/19/2025 | 04:53:10 | -70.64, -77.36 | 130.15 | 07/19/2025 | 04:54:21 | -70.54, -76.54 | 130.30 | 32.33 | 71 |
10 | 07/19/2025 | 05:43:48 | 70.19, 90.66 | 49.39 | 07/19/2025 | 05:43:52 | 70.20, 90.62 | 49.40 | 1.94 | 4 |
11 | 07/19/2025 | 06:34:30 | -70.12,-101.91 | 130.69 | 07/19/2025 | 06:33:22 | -70.10,-101.89 | 130.70 | 1.84 | 68 |
12 | 07/21/2025 | 21:09:59 | -70.29, 38.97 | 130.01 | 07/21/2025 | 21:10:53 | -70.31, 39.02 | 130.00 | 2.75 | 54 |
13 | 07/21/2025 | 22:00:43 | 70.16,-153.52 | 49.87 | 07/21/2025 | 22:00:20 | 70.19,-153.50 | 49.90 | 3.54 | 23 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/10/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/10/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9