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: 9/8/2023
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 09/08/2023 05:42:58 -70.60, -89.86 115.25 09/08/2023 05:44:09 -70.51, -89.01 115.36 33.14 71
2 09/08/2023 06:33:36 70.17, 78.12 64.33 09/08/2023 06:33:40 70.19, 78.18 64.35 2.88 4
3 09/08/2023 07:24:18 -70.08,-114.42 115.75 09/08/2023 07:23:10 -70.08,-114.35 115.76 2.66 68
4 09/10/2023 21:59:44 -70.23, 26.49 114.62 09/10/2023 22:00:45 -70.22, 26.45 114.64 2.36 61
5 09/10/2023 22:50:28 70.13,-166.03 65.29 09/10/2023 22:50:12 70.12,-166.05 65.28 1.33 16
6 09/10/2023 23:41:00 -69.50, 2.21 115.34 09/10/2023 23:39:50 -69.57, 0.81 115.25 54.72 70
7 09/13/2023 14:16:36 -70.19, 142.34 113.65 09/13/2023 14:17:16 -70.18, 142.27 113.66 2.92 40
8 09/13/2023 15:07:19 70.09, -50.20 66.27 09/13/2023 15:06:42 70.07, -50.24 66.25 2.37 37
9 09/16/2023 05:42:57 70.89, 89.68 68.09 09/16/2023 05:44:05 70.82, 91.46 67.99 65.62 68
10 09/16/2023 06:33:27 -70.15,-101.83 112.66 09/16/2023 06:33:45 -70.16,-101.87 112.65 1.90 18
11 09/16/2023 07:24:11 70.05, 65.63 67.26 09/16/2023 07:23:12 70.05, 65.62 67.26 0.44 59
12 09/18/2023 21:59:37 70.23,-153.49 68.44 09/18/2023 22:00:45 70.23,-153.53 68.43 1.54 68
13 09/18/2023 22:50:19 -70.12, 13.99 111.66 09/18/2023 22:50:15 -70.12, 13.96 111.66 1.20 4
14 09/18/2023 23:40:58 69.76,-178.16 67.99 09/18/2023 23:39:46 69.79,-178.87 68.03 27.45 72
15 09/21/2023 14:16:29 70.21, -37.69 69.46 09/21/2023 14:17:14 70.21, -37.67 69.46 0.78 45
16 09/21/2023 15:07:11 -70.10, 129.80 110.64 09/21/2023 15:06:44 -70.11, 129.82 110.63 1.69 27

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/8/2023
SNOs_Map_NPP_LANDSAT-9_20230908.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/08/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9