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: 3/11/2023
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 03/13/2023 13:26:42 -70.31, 154.77 106.80 03/13/2023 13:27:52 -70.31, 154.74 106.82 1.18 70
2 03/13/2023 14:17:26 70.18, -37.73 73.06 03/13/2023 14:17:19 70.20, -37.77 73.07 2.25 7
3 03/13/2023 15:08:04 -69.89, 130.04 107.27 03/13/2023 15:06:52 -69.93, 129.48 107.20 22.09 72
4 03/16/2023 05:43:40 -70.30, -89.45 107.88 03/16/2023 05:44:20 -70.30, -89.40 107.88 2.08 40
5 03/16/2023 06:34:24 70.17, 78.05 71.99 03/16/2023 06:33:47 70.19, 78.09 72.00 2.11 37
6 03/18/2023 21:10:03 70.71,-141.66 71.51 03/18/2023 21:11:14 70.61,-140.69 71.37 37.46 71
7 03/18/2023 22:00:38 -70.25, 26.39 108.99 03/18/2023 22:00:49 -70.23, 26.39 109.01 1.85 11
8 03/18/2023 22:51:22 70.13,-166.12 70.87 03/18/2023 22:50:16 70.12,-166.13 70.87 1.56 66
9 03/21/2023 13:26:54 70.31, -25.26 70.03 03/21/2023 13:27:46 70.31, -25.24 70.02 0.82 52
10 03/21/2023 14:17:36 -70.22, 142.20 110.09 03/21/2023 14:17:16 -70.21, 142.24 110.10 1.70 20
11 03/21/2023 15:08:04 69.25, -49.06 68.90 03/21/2023 15:06:57 69.32, -51.34 69.05 89.94 67
12 03/24/2023 05:43:51 70.25, 90.61 68.90 03/24/2023 05:44:13 70.23, 90.53 68.88 3.24 22
13 03/24/2023 06:34:33 -70.15,-101.93 111.22 03/24/2023 06:33:43 -70.13,-101.98 111.23 2.92 50

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/11/2023
SNOs_Map_NPP_LANDSAT-9_20230311.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/11/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9