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: 3/12/2023
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 -70.32, 154.75 106.79 03/13/2023 13:27:51 -70.35, 154.80 106.78 3.25 69
2 03/13/2023 14:17:26 70.20, -37.75 73.07 03/13/2023 14:17:19 70.18, -37.79 73.06 2.24 7
3 03/13/2023 15:08:04 -69.90, 130.02 107.26 03/13/2023 15:06:51 -69.97, 129.53 107.16 20.01 73
4 03/16/2023 05:43:41 -70.31, -89.47 107.87 03/16/2023 05:44:21 -70.29, -89.41 107.89 2.80 40
5 03/16/2023 06:34:25 70.18, 78.03 72.00 03/16/2023 06:33:48 70.18, 78.08 71.99 1.81 37
6 03/18/2023 21:10:04 70.71,-141.67 71.51 03/18/2023 21:11:15 70.61,-140.69 71.37 37.88 71
7 03/18/2023 22:00:39 -70.25, 26.38 108.99 03/18/2023 22:00:50 -70.24, 26.39 109.01 2.11 11
8 03/18/2023 22:51:23 70.13,-166.13 70.88 03/18/2023 22:50:17 70.12,-166.13 70.87 1.50 66
9 03/21/2023 13:26:54 70.31, -25.26 70.02 03/21/2023 13:27:46 70.33, -25.22 70.04 3.10 52
10 03/21/2023 14:17:36 -70.22, 142.20 110.09 03/21/2023 14:17:16 -70.23, 142.27 110.08 2.93 20
11 03/21/2023 15:08:04 69.25, -49.05 68.89 03/21/2023 15:06:58 69.28, -51.39 69.01 91.94 66
12 03/24/2023 04:53:25 -71.29, -78.42 110.00 03/24/2023 04:54:31 -71.20, -75.65 110.18 99.64 66
13 03/24/2023 05:43:52 70.29, 90.54 68.94 03/24/2023 05:44:13 70.27, 90.58 68.92 2.29 21
14 03/24/2023 06:34:34 -70.19,-101.99 111.18 03/24/2023 06:33:43 -70.17,-101.93 111.20 3.37 51

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/12/2023
SNOs_Map_NPP_LANDSAT-9_20230312.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/12/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9