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: 9/6/2023
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 09/08/2023 05:42:59 -70.62, -89.90 115.22 09/08/2023 05:44:10 -70.50, -89.02 115.37 35.44 71
2 09/08/2023 06:33:36 70.15, 78.16 64.31 09/08/2023 06:33:41 70.18, 78.16 64.33 3.43 5
3 09/08/2023 07:24:17 -70.06,-114.38 115.78 09/08/2023 07:23:10 -70.07,-114.37 115.77 1.53 67
4 09/10/2023 21:59:44 -70.26, 26.45 114.59 09/10/2023 22:00:45 -70.25, 26.49 114.60 1.70 61
5 09/10/2023 22:50:28 70.16,-166.08 65.32 09/10/2023 22:50:12 70.15,-166.01 65.31 2.61 16
6 09/10/2023 23:41:00 -69.53, 2.17 115.31 09/10/2023 23:39:50 -69.60, 0.86 115.21 51.58 70
7 09/13/2023 14:16:36 -70.22, 142.29 113.62 09/13/2023 14:17:17 -70.23, 142.33 113.61 1.75 41
8 09/13/2023 15:07:20 70.12, -50.24 66.30 09/13/2023 15:06:44 70.12, -50.18 66.30 2.43 36
9 09/16/2023 05:43:00 71.02, 89.45 68.23 09/16/2023 05:44:07 70.96, 91.67 68.13 80.62 67
10 09/16/2023 06:33:28 -70.18,-101.88 112.63 09/16/2023 06:33:49 -70.20,-101.84 112.62 2.45 21
11 09/16/2023 07:24:12 70.09, 65.58 67.29 09/16/2023 07:23:16 70.09, 65.65 67.29 2.69 56
12 09/18/2023 21:59:39 70.32,-153.63 68.53 09/18/2023 22:00:51 70.27,-153.50 68.48 7.34 72
13 09/18/2023 22:50:20 -70.16, 13.94 111.62 09/18/2023 22:50:21 -70.17, 14.00 111.61 2.74 1
14 09/18/2023 23:41:01 69.96,-178.45 68.19 09/18/2023 23:39:48 70.00,-178.60 68.24 7.61 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/6/2023
SNOs_Map_NPP_LANDSAT-9_20230906.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/06/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9