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: 9/28/2025
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 | 09/30/2025 | 12:13:30 | -71.15, 174.62 | 105.95 | 09/30/2025 | 12:12:23 | -71.21, 172.16 | 105.87 | 88.65 | 67 |
2 | 09/30/2025 | 13:03:11 | 70.28, -19.04 | 73.20 | 09/30/2025 | 13:02:51 | 70.29, -19.00 | 73.21 | 1.68 | 20 |
3 | 09/30/2025 | 13:52:41 | -70.17, 148.43 | 106.90 | 09/30/2025 | 13:53:33 | -70.17, 148.50 | 106.90 | 2.85 | 52 |
4 | 10/03/2025 | 04:30:11 | -70.34, -70.71 | 105.72 | 10/03/2025 | 04:29:05 | -70.36, -70.66 | 105.70 | 3.22 | 66 |
5 | 10/03/2025 | 05:19:37 | 70.29, 96.86 | 74.25 | 10/03/2025 | 05:19:49 | 70.27, 96.79 | 74.23 | 3.20 | 12 |
6 | 10/03/2025 | 06:09:14 | -69.79, -96.21 | 106.24 | 10/03/2025 | 06:10:24 | -69.79, -95.15 | 106.25 | 40.84 | 70 |
7 | 10/05/2025 | 20:46:38 | -70.31, 45.14 | 104.72 | 10/05/2025 | 20:46:03 | -70.31, 45.19 | 104.72 | 2.11 | 35 |
8 | 10/05/2025 | 21:36:05 | 70.20,-147.38 | 75.19 | 10/05/2025 | 21:36:47 | 70.22,-147.36 | 75.21 | 2.14 | 42 |
9 | 10/08/2025 | 12:13:33 | 70.46, -6.38 | 76.44 | 10/08/2025 | 12:12:21 | 70.49, -6.66 | 76.48 | 10.80 | 72 |
10 | 10/08/2025 | 13:03:04 | -70.30, 161.01 | 103.71 | 10/08/2025 | 13:03:02 | -70.31, 160.94 | 103.69 | 3.19 | 2 |
11 | 10/08/2025 | 13:52:32 | 70.13, -31.59 | 76.14 | 10/08/2025 | 13:53:44 | 70.13, -31.45 | 76.14 | 5.10 | 72 |
12 | 10/11/2025 | 04:30:00 | 70.35, 109.35 | 77.35 | 10/11/2025 | 04:29:17 | 70.36, 109.33 | 77.36 | 1.42 | 43 |
13 | 10/11/2025 | 05:19:30 | -70.24, -83.17 | 102.75 | 10/11/2025 | 05:19:59 | -70.23, -83.15 | 102.76 | 1.48 | 29 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/28/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/28/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP