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: 9/20/2023
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 09/21/2023 14:16:29 70.23, -37.71 69.48 09/21/2023 14:17:13 70.22, -37.66 69.47 2.24 44
2 09/21/2023 15:07:10 -70.08, 129.83 110.67 09/21/2023 15:06:43 -70.11, 129.82 110.64 3.29 27
3 09/24/2023 06:33:20 70.17, 78.15 70.46 09/24/2023 06:33:42 70.14, 78.12 70.43 3.41 22
4 09/24/2023 07:24:02 -70.07,-114.38 109.63 09/24/2023 07:23:11 -70.09,-114.32 109.62 2.78 51
5 09/26/2023 21:59:28 -70.33, 26.37 108.35 09/26/2023 22:00:40 -70.31, 26.60 108.39 9.23 72
6 09/26/2023 22:50:10 70.13,-166.00 71.46 09/26/2023 22:50:08 70.14,-165.99 71.47 1.31 2
7 09/26/2023 23:40:51 -69.97, 1.55 108.69 09/26/2023 23:39:39 -69.98, 1.41 108.69 5.13 72
8 09/29/2023 14:16:17 -70.19, 142.37 107.46 09/29/2023 14:17:08 -70.21, 142.36 107.44 2.62 51
9 09/29/2023 15:07:01 70.09, -50.17 72.46 09/29/2023 15:06:35 70.10, -50.15 72.47 0.86 26
10 09/29/2023 15:57:27 -69.14, 118.53 108.49 09/29/2023 15:56:20 -69.17, 116.21 108.45 91.80 67
11 10/02/2023 06:33:08 -70.16,-101.81 106.45 10/02/2023 06:33:35 -70.14,-101.84 106.47 2.84 27
12 10/02/2023 07:23:52 70.07, 65.65 73.47 10/02/2023 07:23:01 70.08, 65.71 73.48 2.65 51

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/20/2023
SNOs_Map_NPP_LANDSAT-9_20230920.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/20/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9