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: 6/11/2023
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 06/12/2023 04:52:45 -71.25, -78.10 131.91 06/12/2023 04:53:52 -71.13, -75.82 132.09 82.82 67
2 06/12/2023 05:43:14 70.35, 90.68 47.16 06/12/2023 05:43:31 70.38, 90.68 47.18 2.51 17
3 06/12/2023 06:33:56 -70.26,-101.87 132.94 06/12/2023 06:33:01 -70.26,-101.86 132.94 0.62 55
4 06/14/2023 21:09:22 -70.45, 38.99 132.89 06/14/2023 21:10:31 -70.45, 39.02 132.90 1.24 69
5 06/14/2023 22:00:06 70.34,-153.53 47.00 06/14/2023 21:59:58 70.34,-153.49 47.00 1.54 8
6 06/14/2023 22:50:43 -69.99, 14.33 133.37 06/14/2023 22:49:31 -70.07, 13.75 133.27 23.84 72
7 06/17/2023 13:26:12 -70.39, 154.86 133.04 06/17/2023 13:26:57 -70.39, 154.82 133.05 1.26 45
8 06/17/2023 14:16:56 70.29, -37.67 46.85 06/17/2023 14:16:24 70.28, -37.69 46.85 0.98 32
9 06/20/2023 04:52:35 71.17, 102.04 47.73 06/20/2023 04:53:42 71.08, 104.11 47.57 75.47 67
10 06/20/2023 05:43:03 -70.34, -89.28 133.14 06/20/2023 05:43:23 -70.37, -89.33 133.12 3.12 20
11 06/20/2023 06:33:47 70.24, 78.19 46.75 06/20/2023 06:32:50 70.25, 78.16 46.77 2.11 57
12 06/22/2023 21:09:13 70.45,-140.99 46.98 06/22/2023 21:10:19 70.42,-140.99 46.94 3.22 66
13 06/22/2023 21:59:54 -70.30, 26.56 133.18 06/22/2023 21:59:49 -70.32, 26.49 133.17 3.33 5
14 06/22/2023 22:50:32 69.88,-165.49 46.38 06/22/2023 22:49:21 69.93,-166.42 46.46 36.04 71

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/11/2023
SNOs_Map_NPP_LANDSAT-9_20230611.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/11/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9