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: 3/4/2023
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 03/05/2023 13:26:38 70.76, -25.93 76.83 03/05/2023 13:27:48 70.63, -24.77 76.64 44.97 70
2 03/05/2023 14:17:11 -70.20, 142.29 103.79 03/05/2023 14:17:24 -70.19, 142.21 103.80 2.90 13
3 03/05/2023 15:07:55 70.07, -50.21 76.07 03/05/2023 15:06:51 70.08, -50.29 76.09 3.10 64
4 03/08/2023 05:43:29 70.28, 90.60 75.27 03/08/2023 05:44:20 70.31, 90.64 75.29 3.22 51
5 03/08/2023 06:34:11 -70.19,-101.94 104.84 03/08/2023 06:33:50 -70.19,-101.89 104.84 2.05 21
6 03/08/2023 07:24:39 69.22, 66.80 74.13 03/08/2023 07:23:32 69.26, 64.47 74.27 91.97 67
7 03/10/2023 21:09:59 -71.19, 37.55 104.81 03/10/2023 21:11:05 -71.07, 40.05 105.02 90.63 66
8 03/10/2023 22:00:27 70.24,-153.57 74.17 03/10/2023 22:00:45 70.26,-153.54 74.19 2.44 18
9 03/10/2023 22:51:09 -70.14, 13.89 105.94 03/10/2023 22:50:15 -70.15, 13.94 105.93 1.84 54
10 03/13/2023 13:26:42 -70.33, 154.74 106.78 03/13/2023 13:27:43 -70.32, 154.81 106.80 2.55 61
11 03/13/2023 14:17:26 70.21, -37.77 73.09 03/13/2023 14:17:10 70.21, -37.71 73.08 2.18 16
12 03/13/2023 15:07:58 -69.59, 130.49 107.58 03/13/2023 15:06:48 -69.66, 129.16 107.45 52.11 70
13 03/16/2023 05:43:40 -70.26, -89.39 107.91 03/16/2023 05:44:07 -70.28, -89.35 107.90 3.01 27
14 03/16/2023 06:34:24 70.15, 78.09 71.96 03/16/2023 06:33:34 70.16, 78.12 71.98 2.37 50

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/4/2023
SNOs_Map_NPP_LANDSAT-9_20230304.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/04/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9