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: 5/14/2023
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 05/16/2023 13:26:42 -70.42, 154.80 128.79 05/16/2023 13:27:17 -70.40, 154.85 128.81 2.51 35
2 05/16/2023 14:17:26 70.31, -37.72 51.09 05/16/2023 14:16:44 70.30, -37.66 51.09 2.69 42
3 05/19/2023 04:52:59 70.85, 102.55 51.07 05/19/2023 04:54:09 70.73, 103.58 50.93 40.31 70
4 05/19/2023 05:43:33 -70.33, -89.31 129.47 05/19/2023 05:43:44 -70.34, -89.36 129.46 2.22 11
5 05/19/2023 06:34:17 70.23, 78.17 50.42 05/19/2023 06:33:11 70.24, 78.13 50.43 1.66 66
6 05/21/2023 21:09:44 70.41,-140.97 50.06 05/21/2023 21:10:41 70.42,-141.00 50.06 1.11 57
7 05/21/2023 22:00:26 -70.31, 26.50 130.05 05/21/2023 22:00:11 -70.31, 26.47 130.05 1.02 15
8 05/21/2023 22:50:57 69.52,-165.00 49.13 05/21/2023 22:49:49 69.59,-166.88 49.25 73.38 68
9 05/24/2023 13:26:37 70.40, -25.19 49.54 05/24/2023 13:27:07 70.40, -25.13 49.54 2.01 30
10 05/24/2023 14:17:19 -70.30, 142.29 130.58 05/24/2023 14:16:37 -70.30, 142.34 130.58 1.91 42
11 05/27/2023 04:52:51 -70.75, -77.29 130.57 05/27/2023 04:54:03 -70.64, -76.54 130.71 30.35 72
12 05/27/2023 05:43:29 70.34, 90.68 49.01 05/27/2023 05:43:33 70.36, 90.69 49.02 1.75 4
13 05/27/2023 06:34:11 -70.24,-101.84 131.11 05/27/2023 06:33:03 -70.25,-101.83 131.09 1.80 68

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/14/2023
SNOs_Map_NPP_LANDSAT-9_20230514.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/14/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9