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: 5/2/2025
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 05/04/2025 05:18:52 -70.32, -83.21 125.81 05/04/2025 05:17:40 -70.33, -83.25 125.79 1.40 72
2 05/04/2025 06:08:19 70.22, 84.29 54.09 05/04/2025 06:08:24 70.21, 84.23 54.08 2.18 5
3 05/04/2025 06:57:51 -70.00,-108.40 126.14 05/04/2025 06:59:03 -69.96,-108.06 126.19 13.75 72
4 05/06/2025 21:35:21 -70.26, 32.58 126.62 05/06/2025 21:34:37 -70.25, 32.64 126.63 2.80 44
5 05/06/2025 22:24:48 70.16,-159.93 53.27 05/06/2025 22:25:21 70.14,-159.89 53.25 2.22 33
6 05/09/2025 13:02:12 70.71, -18.51 53.11 05/09/2025 13:01:01 70.76, -19.74 53.19 45.63 71
7 05/09/2025 13:51:49 -70.22, 148.40 127.39 05/09/2025 13:51:35 -70.23, 148.43 127.37 1.73 14
8 05/09/2025 14:41:16 70.11, -44.11 52.50 05/09/2025 14:42:19 70.14, -44.11 52.52 2.53 63
9 05/12/2025 05:18:46 70.31, 96.77 52.02 05/12/2025 05:17:50 70.30, 96.78 52.02 1.25 56
10 05/12/2025 06:08:16 -70.20, -95.75 128.10 05/12/2025 06:08:32 -70.18, -95.72 128.12 2.55 16
11 05/12/2025 06:57:55 69.37, 70.75 51.09 05/12/2025 06:59:02 69.40, 72.75 51.08 78.51 67
12 05/14/2025 21:35:12 70.25,-147.43 51.31 05/14/2025 21:34:46 70.26,-147.39 51.32 2.01 26
13 05/14/2025 22:24:42 -70.14, 20.05 128.80 05/14/2025 22:25:28 -70.13, 20.11 128.81 2.52 46

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/2/2025
SNOs_Map_LANDSAT-8_NPP_20250502.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/02/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP