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: 1/15/2023
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 01/16/2023 14:16:58 -70.15, 142.27 88.95 01/16/2023 14:17:33 -70.18, 142.25 88.93 2.99 35
2 01/16/2023 15:07:43 70.09, -50.33 90.98 01/16/2023 15:07:00 70.07, -50.26 90.97 3.07 43
3 01/19/2023 05:43:17 70.45, 90.25 90.85 01/19/2023 05:44:28 70.35, 90.74 90.71 21.78 71
4 01/19/2023 06:33:55 -70.15,-101.95 89.49 01/19/2023 06:34:00 -70.13,-101.94 89.51 2.20 5
5 01/19/2023 07:24:39 70.03, 65.53 90.39 01/19/2023 07:23:27 70.02, 65.55 90.39 2.01 72
6 01/21/2023 22:00:08 70.19,-153.57 90.00 01/21/2023 22:00:55 70.20,-153.58 90.00 0.41 47
7 01/21/2023 22:50:50 -70.10, 13.90 90.11 01/21/2023 22:50:25 -70.09, 13.90 90.12 0.65 25
8 01/24/2023 13:26:34 -70.99, 153.59 89.77 01/24/2023 13:27:42 -70.89, 155.71 89.95 77.65 68
9 01/24/2023 14:17:04 70.16, -37.74 89.35 01/24/2023 14:17:20 70.18, -37.71 89.36 2.42 16
10 01/24/2023 15:07:46 -70.06, 129.73 90.77 01/24/2023 15:06:50 -70.07, 129.77 90.75 2.32 56
11 01/27/2023 05:43:16 -70.23, -89.40 91.23 01/27/2023 05:44:18 -70.24, -89.37 91.24 1.09 62
12 01/27/2023 06:34:00 70.13, 78.07 88.66 01/27/2023 06:33:45 70.12, 78.11 88.64 2.08 15
13 01/27/2023 07:24:33 -69.55,-113.74 91.96 01/27/2023 07:23:22 -69.63,-114.94 91.83 47.16 71

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/15/2023
SNOs_Map_NPP_LANDSAT-9_20230115.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/15/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9