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: 5/30/2023
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 -70.41, 154.81 131.74 06/01/2023 13:27:09 -70.38, 154.81 131.76 2.49 40
2 06/01/2023 14:17:13 70.30, -37.71 48.15 06/01/2023 14:16:36 70.28, -37.69 48.14 1.88 37
3 06/04/2023 04:52:51 71.09, 102.15 48.65 06/04/2023 04:53:59 70.95, 103.91 48.46 65.27 68
4 06/04/2023 05:43:21 -70.36, -89.35 132.12 06/04/2023 05:43:38 -70.35, -89.37 132.13 1.65 17
5 06/04/2023 06:34:05 70.26, 78.13 47.77 06/04/2023 06:33:05 70.24, 78.13 47.76 1.57 60
6 06/06/2023 21:09:31 70.43,-140.99 47.67 06/06/2023 21:10:37 70.40,-141.05 47.64 3.41 66
7 06/06/2023 22:00:13 -70.33, 26.49 132.44 06/06/2023 22:00:06 -70.35, 26.51 132.42 2.79 7
8 06/06/2023 22:50:50 69.85,-165.48 47.07 06/06/2023 22:49:39 69.91,-166.47 47.15 38.34 71
9 06/09/2023 13:26:23 70.40, -25.17 47.39 06/09/2023 13:27:05 70.38, -25.20 47.37 2.44 42
10 06/09/2023 14:17:05 -70.30, 142.31 132.72 06/09/2023 14:16:35 -70.27, 142.28 132.74 2.57 30
11 06/12/2023 04:52:45 -71.25, -78.11 131.90 06/12/2023 04:53:52 -71.16, -75.79 132.07 84.10 67
12 06/12/2023 05:43:14 70.37, 90.65 47.18 06/12/2023 05:43:31 70.39, 90.69 47.19 2.44 17
13 06/12/2023 06:33:56 -70.27,-101.88 132.94 06/12/2023 06:33:01 -70.29,-101.82 132.92 2.78 55

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/30/2023
SNOs_Map_NPP_LANDSAT-9_20230530.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/30/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9