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: 7/16/2023
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 07/16/2023 21:09:32 -70.92, 38.13 130.35 07/16/2023 21:10:41 -70.79, 39.68 130.55 58.30 69
2 07/16/2023 22:00:06 70.27,-153.51 48.97 07/16/2023 22:00:16 70.26,-153.47 48.95 2.31 10
3 07/16/2023 22:50:47 -70.14, 14.01 131.16 07/16/2023 22:49:46 -70.14, 13.99 131.16 0.60 61
4 07/19/2023 13:26:16 -70.31, 154.88 130.53 07/19/2023 13:27:19 -70.30, 154.83 130.55 2.13 63
5 07/19/2023 14:17:00 70.19, -37.62 49.35 07/19/2023 14:16:46 70.20, -37.67 49.37 2.53 14
6 07/19/2023 15:07:33 -69.63, 130.54 131.23 07/19/2023 15:06:23 -69.70, 129.27 131.10 49.72 70
7 07/22/2023 05:43:10 -70.28, -89.31 130.05 07/22/2023 05:43:47 -70.28, -89.31 130.06 0.22 37
8 07/22/2023 06:33:54 70.16, 78.19 49.83 07/22/2023 06:33:14 70.18, 78.18 49.85 1.90 40
9 07/24/2023 21:09:31 70.76,-141.63 51.01 07/24/2023 21:10:41 70.62,-140.56 50.81 42.77 70
10 07/24/2023 22:00:05 -70.25, 26.50 129.53 07/24/2023 22:00:16 -70.23, 26.51 129.56 2.58 11
11 07/24/2023 22:50:49 70.14,-166.01 50.36 07/24/2023 22:49:43 70.12,-166.00 50.35 1.39 66
12 07/27/2023 13:26:18 70.33, -25.17 51.13 07/27/2023 13:27:14 70.32, -25.10 51.11 2.52 56
13 07/27/2023 14:16:59 -70.18, 142.37 129.02 07/27/2023 14:16:44 -70.21, 142.38 128.98 3.60 15
14 07/27/2023 15:07:31 69.43, -49.20 50.21 07/27/2023 15:06:22 69.50, -50.98 50.35 69.63 69

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/16/2023
SNOs_Map_NPP_LANDSAT-9_20230716.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/16/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9