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: 2/26/2023
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 02/28/2023 05:43:16 -70.29, -89.39 101.63 02/28/2023 05:44:26 -70.31, -89.36 101.62 2.84 70
2 02/28/2023 06:34:00 70.18, 78.09 78.24 02/28/2023 06:33:54 70.16, 78.05 78.22 3.03 6
3 02/28/2023 07:24:38 -69.88,-114.13 102.09 02/28/2023 07:23:26 -69.93,-114.63 102.01 19.99 72
4 03/02/2023 22:00:09 -70.25, 26.46 102.70 03/02/2023 22:00:53 -70.26, 26.44 102.70 1.41 44
5 03/02/2023 22:50:53 70.14,-166.06 77.18 03/02/2023 22:50:20 70.15,-166.07 77.19 1.30 33
6 03/05/2023 13:26:31 70.89, -26.10 76.96 03/05/2023 13:27:40 70.75, -24.57 76.75 58.11 69
7 03/05/2023 14:17:02 -70.21, 142.30 103.77 03/05/2023 14:17:18 -70.20, 142.26 103.79 2.18 16
8 03/05/2023 15:07:45 70.11, -50.22 76.11 03/05/2023 15:06:44 70.09, -50.26 76.10 2.61 61
9 03/08/2023 05:43:12 70.29, 90.66 75.28 03/08/2023 05:44:09 70.31, 90.68 75.29 2.32 57
10 03/08/2023 06:33:54 -70.19,-101.87 104.84 03/08/2023 06:33:39 -70.20,-101.84 104.83 1.62 15
11 03/08/2023 07:24:25 69.40, 66.62 74.32 03/08/2023 07:23:17 69.47, 64.80 74.47 71.60 68
12 03/10/2023 22:00:04 70.23,-153.46 74.16 03/10/2023 22:00:30 70.25,-153.49 74.18 2.88 26
13 03/10/2023 22:50:46 -70.13, 14.01 105.96 03/10/2023 22:50:00 -70.14, 13.99 105.94 1.94 46

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/26/2023
SNOs_Map_NPP_LANDSAT-9_20230226.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/26/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9