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: 9/16/2023
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 09/16/2023 05:42:58 70.92, 89.63 68.12 09/16/2023 05:44:06 70.79, 91.42 67.96 66.85 68
2 09/16/2023 06:33:28 -70.19,-101.89 112.62 09/16/2023 06:33:45 -70.18,-101.85 112.64 2.19 17
3 09/16/2023 07:24:12 70.08, 65.58 67.29 09/16/2023 07:23:12 70.08, 65.65 67.28 2.66 60
4 09/18/2023 21:59:38 70.26,-153.54 68.48 09/18/2023 22:00:45 70.24,-153.51 68.45 2.68 67
5 09/18/2023 22:50:19 -70.11, 14.00 111.67 09/18/2023 22:50:15 -70.13, 13.96 111.65 2.42 4
6 09/18/2023 23:40:58 69.74,-178.13 67.97 09/18/2023 23:39:46 69.80,-178.85 68.05 28.56 72
7 09/21/2023 14:16:28 70.19, -37.66 69.44 09/21/2023 14:17:13 70.21, -37.67 69.46 1.89 45
8 09/21/2023 15:07:10 -70.09, 129.81 110.65 09/21/2023 15:06:43 -70.10, 129.81 110.64 0.92 27
9 09/24/2023 06:33:19 70.13, 78.21 70.42 09/24/2023 06:33:42 70.15, 78.13 70.44 3.44 23
10 09/24/2023 07:24:01 -70.03,-114.32 109.67 09/24/2023 07:23:12 -70.04,-114.39 109.66 2.99 49
11 09/26/2023 21:59:30 -70.39, 26.28 108.30 09/26/2023 22:00:41 -70.34, 26.65 108.36 14.66 71
12 09/26/2023 22:50:11 70.13,-166.01 71.46 09/26/2023 22:50:10 70.11,-166.03 71.44 2.46 1
13 09/26/2023 23:40:53 -70.03, 1.46 108.64 09/26/2023 23:39:40 -70.01, 1.46 108.65 2.03 73
14 09/29/2023 14:16:19 -70.23, 142.30 107.41 09/29/2023 14:17:10 -70.22, 142.37 107.43 3.14 51
15 09/29/2023 15:07:02 70.09, -50.17 72.46 09/29/2023 15:06:37 70.10, -50.16 72.47 1.19 25

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/16/2023
SNOs_Map_NPP_LANDSAT-9_20230916.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/16/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9