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: 5/31/2023
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 06/01/2023 13:26:29 -70.39, 154.83 131.75 06/01/2023 13:27:09 -70.40, 154.83 131.75 0.46 40
2 06/01/2023 14:17:13 70.28, -37.69 48.14 06/01/2023 14:16:36 70.30, -37.67 48.15 1.60 37
3 06/04/2023 04:52:51 71.08, 102.17 48.63 06/04/2023 04:53:59 70.97, 103.93 48.48 64.65 68
4 06/04/2023 05:43:21 -70.35, -89.33 132.13 06/04/2023 05:43:38 -70.37, -89.34 132.12 1.76 17
5 06/04/2023 06:34:05 70.24, 78.15 47.76 06/04/2023 06:33:05 70.26, 78.15 47.78 1.94 60
6 06/06/2023 21:09:31 70.41,-140.96 47.65 06/06/2023 21:10:37 70.42,-141.02 47.66 2.36 66
7 06/06/2023 22:00:13 -70.31, 26.51 132.46 06/06/2023 22:00:07 -70.31, 26.46 132.46 1.81 6
8 06/06/2023 22:50:50 69.84,-165.46 47.05 06/06/2023 22:49:39 69.93,-166.44 47.17 38.93 71
9 06/09/2023 13:26:22 70.38, -25.14 47.38 06/09/2023 13:27:04 70.40, -25.17 47.39 2.49 42
10 06/09/2023 14:17:04 -70.28, 142.33 132.73 06/09/2023 14:16:34 -70.30, 142.31 132.71 1.85 30
11 06/12/2023 04:52:46 -71.29, -78.18 131.86 06/12/2023 04:53:52 -71.18, -75.75 132.04 87.88 66
12 06/12/2023 05:43:14 70.36, 90.67 47.16 06/12/2023 05:43:32 70.36, 90.65 47.16 0.92 18
13 06/12/2023 06:33:56 -70.25,-101.85 132.95 06/12/2023 06:33:02 -70.26,-101.87 132.94 0.66 54

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/31/2023
SNOs_Map_NPP_LANDSAT-9_20230531.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/31/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9