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: 6/15/2023
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 06/17/2023 13:26:13 -70.43, 154.80 133.01 06/17/2023 13:26:57 -70.41, 154.85 133.03 2.54 44
2 06/17/2023 14:16:57 70.32, -37.71 46.88 06/17/2023 14:16:24 70.31, -37.65 46.87 2.42 33
3 06/20/2023 04:52:35 71.15, 102.08 47.71 06/20/2023 04:53:43 71.05, 104.08 47.55 72.58 68
4 06/20/2023 05:43:04 -70.37, -89.33 133.11 06/20/2023 05:43:23 -70.39, -89.29 133.09 2.93 19
5 06/20/2023 06:33:48 70.26, 78.15 46.78 06/20/2023 06:32:50 70.29, 78.20 46.81 3.28 58
6 06/22/2023 21:09:12 70.42,-140.94 46.94 06/22/2023 21:10:19 70.41,-141.01 46.93 2.82 67
7 06/22/2023 21:59:54 -70.32, 26.52 133.16 06/22/2023 21:59:48 -70.35, 26.54 133.13 3.44 6
8 06/22/2023 22:50:32 69.90,-165.52 46.40 06/22/2023 22:49:20 69.97,-166.37 46.50 33.17 72
9 06/25/2023 13:26:03 70.38, -25.10 46.95 06/25/2023 13:26:44 70.40, -25.14 46.97 2.86 41
10 06/25/2023 14:16:45 -70.28, 142.37 133.15 06/25/2023 14:16:14 -70.29, 142.34 133.14 1.68 31
11 06/28/2023 04:52:24 -71.17, -77.94 132.11 06/28/2023 04:53:32 -71.02, -75.94 132.33 73.56 68
12 06/28/2023 05:42:54 70.34, 90.74 47.01 06/28/2023 05:43:09 70.36, 90.70 47.04 3.05 15
13 06/28/2023 06:33:36 -70.24,-101.79 133.09 06/28/2023 06:32:39 -70.26,-101.81 133.06 2.25 57

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/15/2023
SNOs_Map_NPP_LANDSAT-9_20230615.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/15/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9