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: 7/21/2023
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 07/23/2023 13:52:11 -70.25, 148.58 129.82 07/23/2023 13:51:37 -70.25, 148.62 129.81 1.74 34
2 07/23/2023 14:41:38 70.15, -43.92 50.10 07/23/2023 14:42:22 70.18, -43.95 50.12 3.00 44
3 07/26/2023 05:19:08 70.61, 97.35 51.09 07/26/2023 05:17:57 70.68, 96.38 51.21 36.60 71
4 07/26/2023 06:08:43 -70.23, -95.58 129.27 07/26/2023 06:08:32 -70.23, -95.59 129.26 0.35 11
5 07/26/2023 06:58:10 70.13, 71.92 50.64 07/26/2023 06:59:16 70.11, 71.91 50.62 1.89 66
6 07/28/2023 21:35:45 70.29,-147.25 51.39 07/28/2023 21:34:45 70.31,-147.26 51.42 1.81 60
7 07/28/2023 22:25:15 -70.19, 20.24 128.70 07/28/2023 22:25:26 -70.17, 20.27 128.72 2.53 11
8 07/28/2023 23:14:52 69.53,-173.04 50.69 07/28/2023 23:16:00 69.52,-171.45 50.61 61.82 68
9 07/31/2023 13:52:15 70.28, -31.39 52.03 07/31/2023 13:51:38 70.26, -31.41 52.01 2.97 37
10 07/31/2023 14:41:45 -70.18, 136.10 128.06 07/31/2023 14:42:20 -70.17, 136.04 128.08 2.78 35
11 08/03/2023 05:19:09 -70.91, -82.21 126.71 08/03/2023 05:18:00 -70.95, -84.08 126.59 68.13 69
12 08/03/2023 06:08:47 70.20, 84.37 52.62 08/03/2023 06:08:32 70.21, 84.42 52.64 2.73 15
13 08/03/2023 06:58:17 -70.10,-108.14 127.47 08/03/2023 06:59:14 -70.12,-108.12 127.45 2.61 57

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/21/2023
SNOs_Map_LANDSAT-8_NPP_20230724.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/21/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP