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: 8/21/2023
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 08/23/2023 05:43:02 -70.26, -89.32 121.31 08/23/2023 05:44:03 -70.25, -89.36 121.32 1.48 61
2 08/23/2023 06:33:46 70.14, 78.17 58.58 08/23/2023 06:33:30 70.16, 78.15 58.60 1.96 16
3 08/23/2023 07:24:18 -69.52,-113.60 122.05 08/23/2023 07:23:08 -69.60,-114.99 121.92 54.81 70
4 08/25/2023 21:59:55 -70.22, 26.51 120.44 08/25/2023 22:00:35 -70.21, 26.46 120.45 1.96 40
5 08/25/2023 22:50:39 70.10,-166.01 59.46 08/25/2023 22:50:02 70.11,-166.04 59.47 1.54 37
6 08/28/2023 13:26:18 70.91, -26.15 61.21 08/28/2023 13:27:27 70.80, -24.42 61.05 64.21 69
7 08/28/2023 14:16:48 -70.18, 142.33 119.54 08/28/2023 14:17:06 -70.20, 142.32 119.53 2.12 18
8 08/28/2023 15:07:32 70.08, -50.19 60.36 08/28/2023 15:06:33 70.10, -50.19 60.39 2.16 59
9 08/31/2023 05:42:59 70.26, 90.67 61.48 08/31/2023 05:44:07 70.27, 90.66 61.48 0.82 68
10 08/31/2023 06:33:41 -70.16,-101.86 118.62 08/31/2023 06:33:37 -70.16,-101.85 118.62 0.51 4
11 08/31/2023 07:24:20 69.79, 66.01 61.02 08/31/2023 07:23:08 69.83, 65.32 61.08 26.55 72
12 09/02/2023 21:59:51 70.25,-153.54 62.43 09/02/2023 22:00:36 70.25,-153.48 62.43 2.47 45
13 09/02/2023 22:50:33 -70.14, 13.94 117.67 09/02/2023 22:50:06 -70.15, 14.01 117.66 3.02 27

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/21/2023
SNOs_Map_NPP_LANDSAT-9_20230821.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/21/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9