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: 3/6/2023
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 70.25, 90.64 75.24 03/08/2023 05:44:20 70.27, 90.59 75.26 3.01 52
2 03/08/2023 06:34:10 -70.16,-101.90 104.87 03/08/2023 06:33:50 -70.16,-101.94 104.87 1.46 20
3 03/08/2023 07:24:38 69.19, 66.84 74.10 03/08/2023 07:23:32 69.22, 64.43 74.24 95.30 66
4 03/10/2023 21:09:59 -71.16, 37.60 104.84 03/10/2023 21:11:06 -71.03, 39.98 105.06 86.94 67
5 03/10/2023 22:00:27 70.21,-153.53 74.14 03/10/2023 22:00:46 70.21,-153.60 74.15 2.92 19
6 03/10/2023 22:51:09 -70.12, 13.93 105.97 03/10/2023 22:50:16 -70.10, 13.87 105.98 2.72 53
7 03/13/2023 13:26:42 -70.29, 154.79 106.82 03/13/2023 13:27:43 -70.32, 154.80 106.80 2.86 61
8 03/13/2023 14:17:26 70.18, -37.72 73.05 03/13/2023 14:17:10 70.21, -37.72 73.08 3.37 16
9 03/13/2023 15:07:58 -69.56, 130.53 107.62 03/13/2023 15:06:48 -69.66, 129.15 107.46 54.71 70
10 03/16/2023 05:43:40 -70.28, -89.42 107.90 03/16/2023 05:44:06 -70.26, -89.39 107.92 2.25 26
11 03/16/2023 06:34:24 70.16, 78.07 71.97 03/16/2023 06:33:33 70.14, 78.09 71.96 2.15 51
12 03/18/2023 21:09:56 70.32,-141.04 71.10 03/18/2023 21:10:59 70.30,-141.05 71.07 1.72 63
13 03/18/2023 22:00:38 -70.22, 26.43 109.02 03/18/2023 22:00:29 -70.19, 26.43 109.05 2.66 9
14 03/18/2023 22:51:13 69.63,-165.37 70.35 03/18/2023 22:50:03 69.69,-166.63 70.46 49.53 70

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/6/2023
SNOs_Map_NPP_LANDSAT-9_20230306.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/06/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9