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: 4/7/2025
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 | 04/07/2025 | 13:52:01 | -70.39, 148.67 | 116.73 | 04/07/2025 | 13:50:48 | -70.42, 148.26 | 116.68 | 15.53 | 73 |
2 | 04/07/2025 | 14:41:30 | 70.18, -43.99 | 63.06 | 04/07/2025 | 14:41:30 | 70.17, -44.04 | 63.05 | 2.56 | 0 |
3 | 04/07/2025 | 15:31:00 | -70.07, 123.47 | 117.07 | 04/07/2025 | 15:32:11 | -70.05, 123.46 | 117.09 | 1.87 | 71 |
4 | 04/10/2025 | 06:08:31 | -70.20, -95.72 | 117.91 | 04/10/2025 | 06:07:45 | -70.23, -95.69 | 117.88 | 3.07 | 46 |
5 | 04/10/2025 | 06:57:58 | 70.10, 71.77 | 61.98 | 04/10/2025 | 06:58:29 | 70.08, 71.84 | 61.96 | 3.15 | 31 |
6 | 04/12/2025 | 21:35:21 | 70.63,-146.85 | 61.53 | 04/12/2025 | 21:34:10 | 70.65,-147.92 | 61.59 | 39.48 | 71 |
7 | 04/12/2025 | 22:24:57 | -70.18, 20.13 | 118.92 | 04/12/2025 | 22:24:45 | -70.21, 20.10 | 118.89 | 2.75 | 12 |
8 | 04/12/2025 | 23:14:24 | 70.08,-172.37 | 60.97 | 04/12/2025 | 23:15:29 | 70.07,-172.38 | 60.96 | 0.82 | 65 |
9 | 04/15/2025 | 13:51:53 | 70.23, -31.55 | 60.17 | 04/15/2025 | 13:51:02 | 70.23, -31.49 | 60.18 | 2.29 | 51 |
10 | 04/15/2025 | 14:41:22 | -70.17, 136.01 | 119.90 | 04/15/2025 | 14:41:44 | -70.15, 135.96 | 119.92 | 3.21 | 22 |
11 | 04/18/2025 | 05:18:38 | -70.93, -82.25 | 120.08 | 04/18/2025 | 05:17:29 | -70.99, -84.27 | 119.96 | 73.65 | 69 |
12 | 04/18/2025 | 06:08:16 | 70.21, 84.33 | 59.22 | 04/18/2025 | 06:08:00 | 70.18, 84.34 | 59.19 | 3.36 | 16 |
13 | 04/18/2025 | 06:57:46 | -70.10,-108.19 | 120.91 | 04/18/2025 | 06:58:42 | -70.10,-108.21 | 120.92 | 1.11 | 56 |
14 | 04/20/2025 | 21:35:13 | -70.27, 32.67 | 121.65 | 04/20/2025 | 21:34:15 | -70.27, 32.65 | 121.63 | 0.82 | 58 |
15 | 04/20/2025 | 22:24:40 | 70.15,-159.86 | 58.23 | 04/20/2025 | 22:24:59 | 70.16,-159.86 | 58.24 | 0.27 | 19 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/7/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/07/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP