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: 7/2/2023
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 07/03/2023 13:26:12 -70.36, 154.87 132.63 07/03/2023 13:27:12 -70.34, 154.87 132.65 2.12 60
2 07/03/2023 14:16:56 70.23, -37.63 47.25 07/03/2023 14:16:39 70.24, -37.63 47.26 0.70 17
3 07/03/2023 15:07:27 -69.57, 130.69 133.44 07/03/2023 15:06:18 -69.63, 129.15 133.32 59.81 69
4 07/06/2023 05:43:07 -70.29, -89.26 132.45 07/06/2023 05:43:44 -70.29, -89.32 132.45 2.17 37
5 07/06/2023 06:33:51 70.17, 78.23 47.43 07/06/2023 06:33:11 70.19, 78.18 47.46 3.23 40
6 07/08/2023 21:09:29 70.79,-141.62 48.37 07/08/2023 21:10:39 70.72,-140.44 48.24 43.87 70
7 07/08/2023 22:00:03 -70.28, 26.51 132.17 07/08/2023 22:00:15 -70.28, 26.54 132.17 1.16 12
8 07/08/2023 22:50:47 70.16,-165.99 47.71 07/08/2023 22:49:42 70.17,-165.96 47.74 2.11 65
9 07/11/2023 13:26:16 70.36, -25.18 48.26 07/11/2023 13:27:15 70.35, -25.10 48.24 3.08 59
10 07/11/2023 14:16:57 -70.22, 142.36 131.89 07/11/2023 14:16:45 -70.25, 142.38 131.86 3.24 12
11 07/11/2023 15:07:31 69.57, -49.36 47.44 07/11/2023 15:06:21 69.65, -50.82 47.57 57.27 70
12 07/14/2023 05:43:11 70.31, 90.66 48.59 07/14/2023 05:43:46 70.30, 90.70 48.57 2.07 35
13 07/14/2023 06:33:53 -70.22,-101.88 131.51 07/14/2023 06:33:16 -70.20,-101.81 131.53 3.47 37

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/2/2023
SNOs_Map_NPP_LANDSAT-9_20230702.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/02/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9