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: 10/8/2023
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 10/10/2023 06:32:56 70.19, 78.18 76.65 10/10/2023 06:33:46 70.20, 78.19 76.66 0.56 50
2 10/10/2023 07:23:38 -70.10,-114.36 103.43 10/10/2023 07:23:16 -70.09,-114.34 103.45 1.81 22
3 10/10/2023 08:14:05 69.09, 54.42 75.57 10/10/2023 08:12:59 69.10, 51.96 75.58 97.37 66
4 10/12/2023 22:49:46 70.18,-166.01 77.65 10/12/2023 22:50:15 70.17,-165.97 77.64 1.78 29
5 10/12/2023 23:40:28 -70.08, 1.45 102.44 10/12/2023 23:39:45 -70.06, 1.51 102.46 3.21 43
6 10/15/2023 14:16:00 -70.70, 141.65 100.85 10/15/2023 14:17:10 -70.59, 142.89 100.96 47.51 70
7 10/15/2023 15:06:35 70.12, -50.14 78.59 10/15/2023 15:06:44 70.10, -50.18 78.56 3.13 9
8 10/15/2023 15:57:17 -70.03, 117.32 101.50 10/15/2023 15:56:13 -70.05, 117.38 101.48 3.10 64
9 10/18/2023 06:32:39 -70.18,-101.75 100.39 10/18/2023 06:33:43 -70.20,-101.79 100.37 2.51 64
10 10/18/2023 07:23:23 70.08, 65.71 79.53 10/18/2023 07:23:10 70.09, 65.69 79.53 0.89 13
11 10/18/2023 08:13:57 -69.56,-126.20 100.98 10/18/2023 08:12:46 -69.65,-127.28 100.90 43.00 71
12 10/20/2023 22:49:28 -70.15, 14.08 99.45 10/20/2023 22:50:10 -70.14, 14.03 99.46 2.22 42
13 10/20/2023 23:40:12 70.05,-178.46 80.47 10/20/2023 23:39:37 70.03,-178.49 80.44 3.25 35

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/8/2023
SNOs_Map_NPP_LANDSAT-9_20231008.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/08/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9