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: 5/10/2024
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 05/10/2024 14:16:10 -70.16, 142.21 127.78 05/10/2024 14:16:47 -70.18, 142.18 127.75 3.21 37
2 05/10/2024 15:06:55 70.10, -50.39 52.16 05/10/2024 15:06:14 70.08, -50.32 52.14 3.44 41
3 05/13/2024 05:42:29 70.67, 89.86 52.10 05/13/2024 05:43:39 70.60, 91.03 52.00 44.08 70
4 05/13/2024 06:33:03 -70.15,-102.00 128.45 05/13/2024 06:33:15 -70.16,-101.98 128.45 1.31 12
5 05/13/2024 07:23:47 70.05, 65.46 51.44 05/13/2024 07:22:42 70.05, 65.52 51.44 2.01 65
6 05/15/2024 21:59:13 70.21,-153.63 50.99 05/15/2024 22:00:13 70.19,-153.68 50.96 2.49 60
7 05/15/2024 22:49:55 -70.11, 13.84 129.13 05/15/2024 22:49:43 -70.09, 13.80 129.15 2.98 12
8 05/15/2024 23:40:28 69.42,-177.84 50.16 05/15/2024 23:39:19 69.48,-179.39 50.25 61.01 69
9 05/18/2024 14:16:04 70.18, -37.81 50.36 05/18/2024 14:16:38 70.18, -37.82 50.35 0.63 34
10 05/18/2024 15:06:46 -70.08, 129.67 129.76 05/18/2024 15:06:08 -70.07, 129.67 129.76 0.74 38
11 05/21/2024 05:42:20 -70.68, -90.13 129.67 05/21/2024 05:43:30 -70.61, -88.94 129.77 44.49 70
12 05/21/2024 06:32:56 70.17, 77.99 49.79 05/21/2024 06:33:03 70.16, 78.06 49.79 2.39 7
13 05/21/2024 07:23:38 -70.06,-114.52 130.33 05/21/2024 07:22:33 -70.06,-114.46 130.32 2.51 65
14 05/23/2024 21:59:03 -70.20, 26.41 130.68 05/23/2024 22:00:01 -70.22, 26.39 130.67 2.52 58
15 05/23/2024 22:49:47 70.11,-166.14 49.22 05/23/2024 22:49:28 70.10,-166.14 49.21 1.00 19

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/10/2024
SNOs_Map_NPP_LANDSAT-9_20240510.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/10/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9