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: 3/10/2023
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 03/10/2023 21:09:59 -71.16, 37.60 104.84 03/10/2023 21:11:05 -71.08, 40.05 105.02 88.67 66
2 03/10/2023 22:00:28 70.26,-153.60 74.19 03/10/2023 22:00:45 70.26,-153.53 74.19 2.87 17
3 03/10/2023 22:51:09 -70.12, 13.93 105.97 03/10/2023 22:50:15 -70.15, 13.93 105.93 3.36 54
4 03/13/2023 13:26:42 -70.30, 154.78 106.81 03/13/2023 13:27:43 -70.29, 154.76 106.83 1.07 61
5 03/13/2023 14:17:26 70.18, -37.72 73.05 03/13/2023 14:17:10 70.18, -37.75 73.06 1.09 16
6 03/13/2023 15:07:58 -69.56, 130.52 107.61 03/13/2023 15:06:48 -69.63, 129.11 107.48 55.03 70
7 03/16/2023 05:43:39 -70.24, -89.36 107.94 03/16/2023 05:44:05 -70.26, -89.38 107.92 2.58 26
8 03/16/2023 06:34:24 70.17, 78.05 71.98 03/16/2023 06:33:32 70.15, 78.11 71.97 3.34 52
9 03/18/2023 21:09:56 70.34,-141.08 71.13 03/18/2023 21:10:57 70.34,-141.00 71.10 3.04 61
10 03/18/2023 22:00:37 -70.20, 26.47 109.05 03/18/2023 22:00:27 -70.23, 26.48 109.02 3.03 10
11 03/18/2023 22:51:12 69.60,-165.33 70.32 03/18/2023 22:50:02 69.67,-166.66 70.44 52.08 70
12 03/21/2023 13:26:53 70.27, -25.19 69.98 03/21/2023 13:27:18 70.29, -25.16 69.99 2.39 25
13 03/21/2023 14:17:35 -70.17, 142.27 110.14 03/21/2023 14:16:48 -70.18, 142.32 110.13 1.77 47

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/10/2023
SNOs_Map_NPP_LANDSAT-9_20230310.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/10/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9