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: 9/9/2023
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 09/10/2023 21:59:44 -70.24, 26.48 114.61 09/10/2023 22:00:45 -70.22, 26.44 114.64 2.98 61
2 09/10/2023 22:50:28 70.13,-166.04 65.30 09/10/2023 22:50:12 70.12,-166.06 65.28 1.83 16
3 09/10/2023 23:41:00 -69.51, 2.20 115.33 09/10/2023 23:39:50 -69.56, 0.81 115.25 54.38 70
4 09/13/2023 14:16:36 -70.20, 142.32 113.64 09/13/2023 14:17:16 -70.18, 142.27 113.66 3.04 40
5 09/13/2023 15:07:20 70.09, -50.21 66.27 09/13/2023 15:06:43 70.07, -50.24 66.25 2.54 37
6 09/16/2023 05:42:57 70.90, 89.66 68.10 09/16/2023 05:44:05 70.82, 91.47 67.99 66.46 68
7 09/16/2023 06:33:27 -70.16,-101.85 112.65 09/16/2023 06:33:45 -70.17,-101.87 112.65 0.87 18
8 09/16/2023 07:24:11 70.06, 65.61 67.27 09/16/2023 07:23:12 70.06, 65.62 67.26 0.53 59
9 09/18/2023 21:59:37 70.24,-153.51 68.45 09/18/2023 22:00:45 70.23,-153.52 68.44 0.82 68
10 09/18/2023 22:50:19 -70.14, 13.97 111.64 09/18/2023 22:50:15 -70.13, 13.97 111.65 0.47 4
11 09/18/2023 23:40:58 69.77,-178.18 68.01 09/18/2023 23:39:46 69.80,-178.86 68.04 26.24 72
12 09/21/2023 14:16:29 70.23, -37.71 69.48 09/21/2023 14:17:14 70.23, -37.65 69.47 2.41 45
13 09/21/2023 15:07:11 -70.12, 129.77 110.63 09/21/2023 15:06:44 -70.13, 129.84 110.62 2.80 27

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/9/2023
SNOs_Map_NPP_LANDSAT-9_20230909.jpg

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

Historial Predications of SNOs between NPP and LANDSAT-9