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: 7/19/2023
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 07/20/2023 21:35:38 -70.30, 32.77 130.30 07/20/2023 21:34:43 -70.32, 32.76 130.27 2.09 55
2 07/20/2023 22:25:05 70.20,-159.73 49.61 07/20/2023 22:25:27 70.19,-159.74 49.60 1.17 22
3 07/20/2023 23:14:48 -69.37, 6.76 131.17 07/20/2023 23:15:55 -69.37, 8.79 131.25 79.68 67
4 07/23/2023 13:52:07 -70.24, 148.58 129.83 07/23/2023 13:51:37 -70.24, 148.64 129.83 2.32 30
5 07/23/2023 14:41:34 70.14, -43.92 50.09 07/23/2023 14:42:22 70.17, -43.94 50.11 3.34 48
6 07/26/2023 05:19:04 70.38, 97.04 50.87 07/26/2023 05:17:52 70.41, 96.82 50.92 8.97 72
7 07/26/2023 06:08:35 -70.21, -95.57 129.28 07/26/2023 06:08:32 -70.22, -95.57 129.27 0.87 3
8 07/26/2023 06:58:03 70.05, 71.84 50.57 07/26/2023 06:59:15 70.05, 72.01 50.55 6.26 72
9 07/28/2023 21:35:32 70.27,-147.23 51.37 07/28/2023 21:34:43 70.25,-147.16 51.35 3.56 49
10 07/28/2023 22:25:02 -70.16, 20.25 128.73 07/28/2023 22:25:25 -70.16, 20.29 128.73 1.78 23
11 07/31/2023 13:02:17 -71.17, 162.39 127.14 07/31/2023 13:01:10 -71.19, 159.75 127.01 94.80 67
12 07/31/2023 13:51:59 70.24, -31.38 51.98 07/31/2023 13:51:38 70.25, -31.40 52.00 1.12 21
13 07/31/2023 14:41:29 -70.13, 136.10 128.11 07/31/2023 14:42:20 -70.15, 136.06 128.09 2.83 51

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/19/2023
SNOs_Map_LANDSAT-8_NPP_20230720.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/19/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP