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: 5/8/2025
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 05/09/2025 13:02:12 70.74, -18.48 53.13 05/09/2025 13:01:02 70.80, -19.80 53.23 49.11 70
2 05/09/2025 13:51:49 -70.23, 148.42 127.37 05/09/2025 13:51:35 -70.22, 148.44 127.38 1.39 14
3 05/09/2025 14:41:16 70.13, -44.08 52.52 05/09/2025 14:42:19 70.12, -44.09 52.50 1.73 63
4 05/12/2025 05:18:46 70.30, 96.75 52.01 05/12/2025 05:17:50 70.32, 96.74 52.04 2.82 56
5 05/12/2025 06:08:16 -70.18, -95.78 128.11 05/12/2025 06:08:32 -70.21, -95.78 128.08 3.22 16
6 05/12/2025 06:57:55 69.42, 70.81 51.14 05/12/2025 06:59:02 69.37, 72.79 51.05 77.68 67
7 05/14/2025 21:35:13 70.27,-147.40 51.34 05/14/2025 21:34:47 70.27,-147.41 51.34 0.78 26
8 05/14/2025 22:24:43 -70.16, 20.08 128.78 05/14/2025 22:25:29 -70.15, 20.08 128.79 1.02 46
9 05/17/2025 13:02:13 -70.34, 160.93 129.21 05/17/2025 13:01:01 -70.36, 160.90 129.18 3.20 72
10 05/17/2025 13:51:40 70.23, -31.58 50.68 05/17/2025 13:51:44 70.22, -31.57 50.68 0.42 4
11 05/17/2025 14:41:12 -70.01, 135.74 129.54 05/17/2025 14:42:24 -70.00, 136.09 129.57 13.22 72
12 05/20/2025 05:18:39 -70.33, -83.20 129.80 05/20/2025 05:17:58 -70.32, -83.27 129.79 2.71 41
13 05/20/2025 06:08:06 70.21, 84.28 50.09 05/20/2025 06:08:41 70.18, 84.25 50.06 3.21 35

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/8/2025
SNOs_Map_LANDSAT-8_NPP_20250508.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/08/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP