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: 9/10/2023
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 -70.23, 26.50 114.62 09/10/2023 22:00:45 -70.23, 26.46 114.63 1.64 61
2 09/10/2023 22:50:28 70.12,-166.03 65.28 09/10/2023 22:50:12 70.13,-166.04 65.29 0.84 16
3 09/10/2023 23:41:00 -69.50, 2.21 115.34 09/10/2023 23:39:50 -69.57, 0.82 115.24 54.72 70
4 09/13/2023 14:16:35 -70.19, 142.34 113.65 09/13/2023 14:17:15 -70.19, 142.28 113.65 2.27 40
5 09/13/2023 15:07:19 70.08, -50.19 66.26 09/13/2023 15:06:42 70.08, -50.22 66.26 1.24 37
6 09/16/2023 05:42:57 70.88, 89.68 68.09 09/16/2023 05:44:06 70.77, 91.40 67.94 63.98 69
7 09/16/2023 06:33:27 -70.15,-101.83 112.66 09/16/2023 06:33:45 -70.17,-101.86 112.64 2.46 18
8 09/16/2023 07:24:11 70.05, 65.63 67.26 09/16/2023 07:23:12 70.07, 65.63 67.27 1.63 59
9 09/18/2023 21:59:37 70.23,-153.50 68.44 09/18/2023 22:00:45 70.24,-153.51 68.45 1.09 68
10 09/18/2023 22:50:19 -70.13, 13.98 111.65 09/18/2023 22:50:15 -70.14, 13.97 111.65 0.98 4
11 09/18/2023 23:40:58 69.76,-178.16 68.00 09/18/2023 23:39:46 69.80,-178.85 68.04 26.79 72
12 09/21/2023 14:16:29 70.22, -37.70 69.47 09/21/2023 14:17:14 70.23, -37.65 69.47 2.15 45
13 09/21/2023 15:07:11 -70.11, 129.78 110.63 09/21/2023 15:06:44 -70.13, 129.84 110.62 2.73 27

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/10/2023
SNOs_Map_NPP_LANDSAT-9_20230910.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/10/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9