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: 11/10/2023
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 11/11/2023 06:33:06 70.13, 78.16 87.39 11/11/2023 06:33:50 70.13, 78.09 87.38 2.80 44
2 11/11/2023 07:23:48 -70.05,-114.40 92.69 11/11/2023 07:23:19 -70.07,-114.36 92.67 2.16 29
3 11/13/2023 21:59:32 -71.04, 25.15 90.99 11/13/2023 22:00:39 -70.92, 27.50 91.11 86.27 67
4 11/13/2023 22:50:01 70.13,-166.08 88.11 11/13/2023 22:50:19 70.10,-166.06 88.08 3.37 18
5 11/13/2023 23:40:42 -70.00, 1.44 92.02 11/13/2023 23:39:49 -69.99, 1.41 92.03 1.59 53
6 11/16/2023 14:16:11 -70.22, 142.26 91.13 11/16/2023 14:17:20 -70.20, 142.31 91.15 2.99 69
7 11/16/2023 15:06:55 70.09, -50.25 88.76 11/16/2023 15:06:47 70.09, -50.20 88.75 1.93 8
8 11/16/2023 15:57:32 -69.75, 117.59 91.58 11/16/2023 15:56:20 -69.81, 117.05 91.52 22.10 72
9 11/19/2023 06:33:04 -70.13,-101.84 90.57 11/19/2023 06:33:48 -70.14,-101.88 90.57 1.55 44
10 11/19/2023 07:23:48 70.01, 65.64 89.32 11/19/2023 07:23:15 70.02, 65.60 89.33 2.01 33
11 11/21/2023 21:59:26 70.78,-154.42 90.69 11/21/2023 22:00:35 70.68,-152.82 90.59 59.91 69
12 11/21/2023 22:49:57 -70.12, 13.95 89.98 11/21/2023 22:50:14 -70.08, 13.94 90.01 3.44 17
13 11/21/2023 23:40:41 70.00,-178.56 89.91 11/21/2023 23:39:41 69.97,-178.58 89.88 3.34 60

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/10/2023
SNOs_Map_NPP_LANDSAT-9_20231110.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/10/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9