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: 7/1/2023
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 07/03/2023 13:26:12 -70.36, 154.86 132.62 07/03/2023 13:27:12 -70.38, 154.94 132.61 3.52 60
2 07/03/2023 14:16:56 70.24, -37.64 47.26 07/03/2023 14:16:40 70.23, -37.65 47.25 1.67 16
3 07/03/2023 15:07:28 -69.63, 130.60 133.38 07/03/2023 15:06:18 -69.68, 129.22 133.27 53.62 70
4 07/06/2023 05:43:07 -70.30, -89.27 132.44 07/06/2023 05:43:46 -70.28, -89.34 132.46 3.16 39
5 07/06/2023 06:33:51 70.18, 78.22 47.44 07/06/2023 06:33:13 70.18, 78.15 47.44 2.54 38
6 07/08/2023 21:09:31 70.90,-141.80 48.49 07/08/2023 21:10:40 70.81,-140.31 48.33 55.35 69
7 07/08/2023 22:00:03 -70.28, 26.50 132.16 07/08/2023 22:00:18 -70.26, 26.51 132.19 2.24 15
8 07/08/2023 22:50:47 70.17,-166.01 47.72 07/08/2023 22:49:45 70.16,-166.00 47.72 0.91 62
9 07/11/2023 13:26:16 70.32, -25.10 48.21 07/11/2023 13:27:20 70.33, -25.15 48.22 2.53 64
10 07/11/2023 14:16:58 -70.22, 142.36 131.89 07/11/2023 14:16:50 -70.23, 142.33 131.88 0.90 8
11 07/11/2023 15:07:34 69.69, -49.52 47.56 07/11/2023 15:06:24 69.74, -50.72 47.66 46.31 70
12 07/14/2023 05:43:11 70.32, 90.66 48.59 07/14/2023 05:43:50 70.33, 90.73 48.60 3.22 39
13 07/14/2023 06:33:52 -70.17,-101.80 131.56 07/14/2023 06:33:21 -70.17,-101.87 131.55 2.64 31

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/1/2023
SNOs_Map_NPP_LANDSAT-9_20230701.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/01/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9