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: 9/5/2023
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 09/05/2023 14:16:44 70.20, -37.69 63.36 09/05/2023 14:17:09 70.21, -37.67 63.37 1.91 25
2 09/05/2023 15:07:26 -70.11, 129.77 116.72 09/05/2023 15:06:39 -70.10, 129.80 116.73 1.69 47
3 09/08/2023 05:42:58 -70.62, -89.89 115.23 09/08/2023 05:44:09 -70.48, -89.04 115.39 34.83 71
4 09/08/2023 06:33:35 70.14, 78.17 64.30 09/08/2023 06:33:40 70.16, 78.14 64.32 2.43 5
5 09/08/2023 07:24:17 -70.05,-114.37 115.79 09/08/2023 07:23:10 -70.05,-114.39 115.78 0.72 67
6 09/10/2023 21:59:44 -70.25, 26.46 114.60 09/10/2023 22:00:44 -70.25, 26.49 114.61 1.26 60
7 09/10/2023 22:50:28 70.15,-166.07 65.31 09/10/2023 22:50:11 70.14,-166.01 65.31 2.25 17
8 09/10/2023 23:41:00 -69.52, 2.18 115.32 09/10/2023 23:39:50 -69.54, 0.78 115.27 54.35 70
9 09/13/2023 14:16:36 -70.21, 142.30 113.63 09/13/2023 14:17:15 -70.21, 142.31 113.63 0.48 39
10 09/13/2023 15:07:20 70.11, -50.24 66.29 09/13/2023 15:06:42 70.10, -50.20 66.28 1.96 38
11 09/16/2023 05:42:58 70.91, 89.63 68.11 09/16/2023 05:44:06 70.79, 91.43 67.96 66.86 68
12 09/16/2023 06:33:28 -70.18,-101.87 112.64 09/16/2023 06:33:45 -70.20,-101.82 112.62 3.11 17
13 09/16/2023 07:24:12 70.08, 65.59 67.28 09/16/2023 07:23:12 70.08, 65.66 67.29 2.91 60
14 09/18/2023 21:59:37 70.26,-153.54 68.47 09/18/2023 22:00:44 70.26,-153.48 68.47 2.17 67
15 09/18/2023 22:50:19 -70.15, 13.95 111.63 09/18/2023 22:50:14 -70.16, 14.01 111.62 2.79 5
16 09/18/2023 23:40:57 69.74,-178.12 67.97 09/18/2023 23:39:45 69.82,-178.82 68.07 28.37 72

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/5/2023
SNOs_Map_NPP_LANDSAT-9_20230905.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/05/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9