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: 8/17/2023
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 08/17/2023 22:00:01 70.23,-153.51 56.92 08/17/2023 22:00:26 70.22,-153.50 56.91 1.02 25
2 08/17/2023 22:50:42 -70.09, 14.02 123.21 08/17/2023 22:49:56 -70.10, 13.96 123.20 2.40 46
3 08/20/2023 13:26:13 -70.50, 154.52 121.94 08/20/2023 13:27:24 -70.42, 155.04 122.05 21.27 71
4 08/20/2023 14:16:53 70.18, -37.66 57.74 08/20/2023 14:16:54 70.16, -37.70 57.71 2.81 1
5 08/20/2023 15:07:35 -70.09, 129.79 122.35 08/20/2023 15:06:23 -70.10, 129.84 122.34 2.07 72
6 08/23/2023 05:43:02 -70.25, -89.31 121.32 08/23/2023 05:43:55 -70.23, -89.36 121.35 2.83 53
7 08/23/2023 06:33:46 70.14, 78.17 58.58 08/23/2023 06:33:22 70.12, 78.14 58.57 1.95 24
8 08/23/2023 07:24:13 -69.25,-113.21 122.33 08/23/2023 07:23:05 -69.30,-115.36 122.21 84.96 68
9 08/25/2023 21:59:55 -70.21, 26.53 120.45 08/25/2023 22:00:22 -70.23, 26.53 120.44 2.07 27
10 08/25/2023 22:50:39 70.10,-166.00 59.46 08/25/2023 22:49:49 70.12,-165.98 59.47 1.99 50
11 08/28/2023 13:26:07 70.33, -25.21 60.60 08/28/2023 13:27:19 70.30, -25.09 60.56 5.26 72
12 08/28/2023 14:16:48 -70.17, 142.35 119.55 08/28/2023 14:16:49 -70.20, 142.39 119.53 2.80 1
13 08/28/2023 15:07:30 69.97, -50.03 60.25 08/28/2023 15:06:17 70.03, -50.21 60.32 9.68 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/17/2023
SNOs_Map_NPP_LANDSAT-9_20230817.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/17/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9