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: 7/24/2023
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 07/24/2023 21:09:31 70.74,-141.59 50.98 07/24/2023 21:10:41 70.63,-140.54 50.82 40.64 70
2 07/24/2023 22:00:05 -70.24, 26.52 129.54 07/24/2023 22:00:16 -70.24, 26.52 129.55 0.50 11
3 07/24/2023 22:50:48 70.11,-165.97 50.33 07/24/2023 22:49:42 70.14,-165.98 50.37 3.05 66
4 07/27/2023 13:26:17 70.31, -25.14 51.11 07/27/2023 13:27:13 70.33, -25.09 51.12 2.72 56
5 07/27/2023 14:16:59 -70.23, 142.31 128.97 07/27/2023 14:16:43 -70.21, 142.37 128.99 3.02 16
6 07/27/2023 15:07:30 69.41, -49.18 50.19 07/27/2023 15:06:22 69.45, -51.05 50.30 73.18 68
7 07/30/2023 05:43:11 70.25, 90.71 51.68 07/30/2023 05:43:41 70.27, 90.72 51.69 2.32 30
8 07/30/2023 06:33:53 -70.17,-101.84 128.41 07/30/2023 06:33:11 -70.16,-101.81 128.41 1.42 42
9 08/01/2023 21:09:27 -70.63, 38.56 127.27 08/01/2023 21:10:38 -70.52, 39.33 127.43 31.21 71
10 08/01/2023 22:00:05 70.20,-153.45 52.29 08/01/2023 22:00:09 70.19,-153.50 52.27 2.41 4
11 08/01/2023 22:50:47 -70.11, 14.01 127.80 08/01/2023 22:49:38 -70.14, 14.05 127.77 2.93 69
12 08/04/2023 13:26:15 -70.27, 154.90 126.96 08/04/2023 13:27:09 -70.25, 154.84 126.99 3.39 54
13 08/04/2023 14:16:59 70.16, -37.62 52.94 08/04/2023 14:16:36 70.14, -37.68 52.92 3.21 23
14 08/04/2023 15:07:25 -69.28, 131.00 127.98 08/04/2023 15:06:18 -69.32, 128.83 127.85 85.67 67
15 08/07/2023 05:43:08 -70.24, -89.28 126.27 08/07/2023 05:43:34 -70.23, -89.29 126.28 0.56 26
16 08/07/2023 06:33:52 70.13, 78.20 53.63 08/07/2023 06:33:01 70.12, 78.19 53.63 0.98 51

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/24/2023
SNOs_Map_NPP_LANDSAT-9_20230725.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/24/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9