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: 1/18/2025
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 | 01/18/2025 | 21:59:40 | -70.59, 25.64 | 89.03 | 01/18/2025 | 22:00:50 | -70.47, 26.78 | 89.21 | 44.39 | 70 |
2 | 01/18/2025 | 22:50:15 | 70.03,-166.16 | 90.37 | 01/18/2025 | 22:50:23 | 70.04,-166.20 | 90.38 | 2.46 | 8 |
3 | 01/18/2025 | 23:40:57 | -69.91, 1.32 | 89.76 | 01/18/2025 | 23:39:53 | -69.93, 1.28 | 89.74 | 2.63 | 64 |
4 | 01/21/2025 | 14:16:27 | -70.15, 142.11 | 90.08 | 01/21/2025 | 14:17:24 | -70.15, 142.19 | 90.09 | 2.97 | 57 |
5 | 01/21/2025 | 15:07:10 | 70.00, -50.35 | 89.76 | 01/21/2025 | 15:06:52 | 69.99, -50.40 | 89.75 | 1.89 | 18 |
6 | 01/21/2025 | 15:57:41 | -69.30, 117.98 | 90.98 | 01/21/2025 | 15:56:32 | -69.33, 116.34 | 90.88 | 64.66 | 69 |
7 | 01/24/2025 | 06:33:22 | -70.08,-102.01 | 90.78 | 01/24/2025 | 06:33:54 | -70.06,-102.06 | 90.80 | 2.55 | 32 |
8 | 01/24/2025 | 07:24:06 | 69.99, 65.44 | 89.12 | 01/24/2025 | 07:23:20 | 70.01, 65.51 | 89.14 | 3.36 | 46 |
9 | 01/26/2025 | 21:59:39 | 70.35,-153.97 | 88.86 | 01/26/2025 | 22:00:50 | 70.25,-153.54 | 88.73 | 19.71 | 71 |
10 | 01/26/2025 | 22:50:17 | -70.02, 13.85 | 91.50 | 01/26/2025 | 22:50:22 | -70.04, 13.79 | 91.49 | 3.08 | 5 |
11 | 01/26/2025 | 23:41:01 | 69.93,-178.70 | 88.40 | 01/26/2025 | 23:39:49 | 69.92,-178.73 | 88.40 | 1.27 | 72 |
12 | 01/29/2025 | 14:16:31 | 70.14, -37.88 | 87.94 | 01/29/2025 | 14:17:19 | 70.12, -37.83 | 87.91 | 3.15 | 48 |
13 | 01/29/2025 | 15:07:13 | -70.02, 129.62 | 92.20 | 01/29/2025 | 15:06:49 | -70.02, 129.66 | 92.21 | 1.64 | 24 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/18/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/18/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9