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: 7/5/2023
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 07/06/2023 05:43:07 -70.28, -89.25 132.46 07/06/2023 05:43:44 -70.30, -89.31 132.45 2.85 37
2 07/06/2023 06:33:52 70.21, 78.17 47.47 07/06/2023 06:33:11 70.20, 78.19 47.47 1.42 41
3 07/08/2023 21:09:29 70.83,-141.69 48.41 07/08/2023 21:10:38 70.72,-140.43 48.25 47.67 69
4 07/08/2023 22:00:02 -70.27, 26.52 132.17 07/08/2023 22:00:14 -70.28, 26.55 132.17 1.56 12
5 07/08/2023 22:50:46 70.15,-165.98 47.71 07/08/2023 22:49:42 70.13,-166.03 47.69 3.20 64
6 07/11/2023 13:26:16 70.36, -25.17 48.25 07/11/2023 13:27:15 70.36, -25.09 48.24 2.81 59
7 07/11/2023 14:16:57 -70.22, 142.37 131.89 07/11/2023 14:16:45 -70.25, 142.38 131.86 3.53 12
8 07/11/2023 15:07:31 69.57, -49.35 47.43 07/11/2023 15:06:22 69.59, -50.89 47.53 59.87 69
9 07/14/2023 05:43:11 70.31, 90.67 48.59 07/14/2023 05:43:46 70.30, 90.71 48.57 1.90 35
10 07/14/2023 06:33:52 -70.17,-101.80 131.56 07/14/2023 06:33:16 -70.20,-101.81 131.53 2.95 36
11 07/16/2023 21:09:32 -70.91, 38.16 130.37 07/16/2023 21:10:41 -70.83, 39.73 130.52 58.09 69
12 07/16/2023 22:00:06 70.27,-153.51 48.97 07/16/2023 22:00:16 70.28,-153.44 48.97 2.78 10
13 07/16/2023 22:50:47 -70.13, 14.03 131.18 07/16/2023 22:49:47 -70.12, 13.96 131.17 2.58 60

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/5/2023
SNOs_Map_NPP_LANDSAT-9_20230705.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/05/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9