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: 3/7/2023
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 03/08/2023 05:43:28 70.26, 90.62 75.26 03/08/2023 05:44:20 70.26, 90.57 75.24 1.99 52
2 03/08/2023 06:34:10 -70.18,-101.92 104.86 03/08/2023 06:33:49 -70.20,-101.88 104.83 2.95 21
3 03/08/2023 07:24:38 69.20, 66.82 74.12 03/08/2023 07:23:31 69.27, 64.48 74.28 92.59 67
4 03/10/2023 21:09:59 -71.18, 37.57 104.82 03/10/2023 21:11:05 -71.07, 40.03 105.03 89.34 66
5 03/10/2023 22:00:27 70.22,-153.55 74.16 03/10/2023 22:00:45 70.25,-153.55 74.18 3.47 18
6 03/10/2023 22:51:09 -70.13, 13.91 105.96 03/10/2023 22:50:15 -70.14, 13.92 105.94 0.99 54
7 03/13/2023 13:26:42 -70.31, 154.76 106.80 03/13/2023 13:27:43 -70.30, 154.77 106.83 1.82 61
8 03/13/2023 14:17:26 70.19, -37.74 73.07 03/13/2023 14:17:10 70.18, -37.75 73.06 1.01 16
9 03/13/2023 15:07:58 -69.57, 130.51 107.60 03/13/2023 15:06:48 -69.63, 129.12 107.48 54.24 70
10 03/16/2023 05:43:40 -70.24, -89.37 107.93 03/16/2023 05:44:07 -70.23, -89.43 107.95 3.05 27
11 03/16/2023 06:34:24 70.13, 78.12 71.94 03/16/2023 06:33:34 70.11, 78.05 71.93 3.26 50
12 03/18/2023 21:09:56 70.34,-141.07 71.12 03/18/2023 21:10:58 70.32,-141.03 71.09 3.29 62
13 03/18/2023 22:00:37 -70.19, 26.47 109.05 03/18/2023 22:00:28 -70.21, 26.45 109.04 1.93 9
14 03/18/2023 22:51:12 69.60,-165.32 70.32 03/18/2023 22:50:02 69.70,-166.61 70.48 51.11 70

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/7/2023
SNOs_Map_NPP_LANDSAT-9_20230307.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/07/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9