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: 9/15/2023
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 09/16/2023 05:42:58 70.92, 89.61 68.13 09/16/2023 05:44:06 70.78, 91.40 67.95 67.25 68
2 09/16/2023 06:33:27 -70.15,-101.82 112.67 09/16/2023 06:33:45 -70.17,-101.86 112.64 3.12 18
3 09/16/2023 07:24:12 70.09, 65.57 67.30 09/16/2023 07:23:12 70.07, 65.64 67.28 3.51 60
4 09/18/2023 21:59:37 70.22,-153.48 68.43 09/18/2023 22:00:45 70.22,-153.54 68.43 2.34 68
5 09/18/2023 22:50:19 -70.12, 13.99 111.66 09/18/2023 22:50:15 -70.11, 13.94 111.67 2.33 4
6 09/18/2023 23:40:58 69.75,-178.15 67.98 09/18/2023 23:39:46 69.79,-178.88 68.03 28.37 72
7 09/21/2023 14:16:28 70.21, -37.68 69.46 09/21/2023 14:17:12 70.23, -37.64 69.48 3.37 44
8 09/21/2023 15:07:10 -70.11, 129.79 110.64 09/21/2023 15:06:42 -70.13, 129.84 110.62 2.93 28
9 09/24/2023 05:42:53 -71.19, -90.81 108.52 09/24/2023 05:43:59 -71.08, -88.11 108.65 97.92 66
10 09/24/2023 06:33:19 70.15, 78.18 70.44 09/24/2023 06:33:41 70.15, 78.14 70.44 1.71 22
11 09/24/2023 07:24:01 -70.05,-114.34 109.66 09/24/2023 07:23:11 -70.05,-114.38 109.66 1.37 50
12 09/26/2023 21:59:29 -70.35, 26.33 108.33 09/26/2023 22:00:40 -70.32, 26.62 108.38 11.61 71
13 09/26/2023 22:50:11 70.16,-166.05 71.48 09/26/2023 22:50:08 70.15,-165.98 71.47 2.83 3
14 09/26/2023 23:40:52 -70.00, 1.51 108.67 09/26/2023 23:39:39 -69.99, 1.43 108.68 3.19 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/15/2023
SNOs_Map_NPP_LANDSAT-9_20230915.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/15/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9