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: 9/19/2023
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 09/20/2023 06:08:59 70.23, 84.42 68.96 09/20/2023 06:08:03 70.21, 84.43 68.94 2.75 56
2 09/20/2023 06:58:29 -70.12,-108.11 111.15 09/20/2023 06:58:45 -70.11,-108.11 111.15 0.48 16
3 09/20/2023 07:48:09 69.30, 58.41 68.07 09/20/2023 07:49:16 69.32, 60.37 68.06 77.24 67
4 09/22/2023 22:25:27 70.21,-159.73 69.98 09/22/2023 22:24:54 70.20,-159.78 69.97 2.39 33
5 09/22/2023 23:14:57 -70.10, 7.74 110.13 09/22/2023 23:15:36 -70.10, 7.68 110.12 2.37 39
6 09/25/2023 13:52:21 -70.70, 149.24 108.51 09/25/2023 13:51:11 -70.78, 147.77 108.42 54.41 70
7 09/25/2023 14:41:56 70.16, -43.92 70.96 09/25/2023 14:41:45 70.15, -43.93 70.96 0.65 11
8 09/25/2023 15:31:26 -70.05, 123.56 109.14 09/25/2023 15:32:27 -70.05, 123.54 109.13 0.73 61
9 09/28/2023 06:08:57 -70.23, -95.57 107.94 09/28/2023 06:07:52 -70.21, -95.55 107.96 2.82 65
10 09/28/2023 06:58:24 70.12, 71.92 71.97 09/28/2023 06:58:36 70.11, 71.91 71.96 1.31 12
11 09/28/2023 07:48:01 -69.63,-121.13 108.51 09/28/2023 07:49:11 -69.64,-120.07 108.51 41.24 70
12 09/30/2023 22:25:25 -70.17, 20.23 106.96 09/30/2023 22:24:43 -70.18, 20.28 106.95 2.00 42
13 09/30/2023 23:14:52 70.06,-172.28 72.94 09/30/2023 23:15:27 70.08,-172.26 72.97 2.99 35

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/19/2023
SNOs_Map_LANDSAT-8_NPP_20230919.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/19/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP