Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/20/2023
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 04/21/2023 04:29:19 -71.05, -69.75 120.81 04/21/2023 04:28:10 -71.14, -71.62 120.67 68.31 69
2 04/21/2023 05:18:56 70.40, 96.92 58.55 04/21/2023 05:18:42 70.40, 96.90 58.55 0.65 14
3 04/21/2023 06:08:26 -70.29, -95.61 121.57 04/21/2023 06:09:24 -70.32, -95.65 121.55 3.11 58
4 04/23/2023 20:46:00 -70.45, 45.22 122.29 04/23/2023 20:44:49 -70.45, 45.29 122.29 2.83 71
5 04/23/2023 21:35:27 70.35,-147.29 57.60 04/23/2023 21:35:33 70.34,-147.22 57.59 2.96 6
6 04/23/2023 22:25:00 -70.08, 19.95 122.68 04/23/2023 22:26:12 -70.09, 20.47 122.68 19.89 72
7 04/26/2023 13:02:29 -70.46, 161.09 123.17 04/26/2023 13:01:40 -70.45, 161.07 123.17 1.43 49
8 04/26/2023 13:51:56 70.35, -31.42 56.72 04/26/2023 13:52:24 70.34, -31.45 56.71 1.67 28
9 04/29/2023 05:19:00 -70.41, -83.12 124.07 04/29/2023 05:18:31 -70.40, -83.09 124.07 1.32 29
10 04/29/2023 06:08:27 70.30, 84.36 55.82 04/29/2023 06:09:15 70.30, 84.39 55.82 1.02 48
11 05/01/2023 20:45:57 70.67,-134.49 55.39 05/01/2023 20:44:45 70.74,-135.16 55.47 25.44 72
12 05/01/2023 21:35:31 -70.35, 32.67 124.94 05/01/2023 21:35:22 -70.37, 32.74 124.92 3.53 9
13 05/01/2023 22:24:57 70.29,-159.77 55.00 05/01/2023 22:26:06 70.27,-159.79 54.97 2.47 69

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/20/2023
SNOs_Map_LANDSAT-8_NPP_20230420.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/20/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP