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: 2/7/2023
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 02/09/2023 14:17:10 70.22, -37.81 84.89 02/09/2023 14:17:40 70.22, -37.76 84.89 2.17 30
2 02/09/2023 15:07:52 -70.12, 129.66 95.23 02/09/2023 15:07:10 -70.11, 129.71 95.24 2.55 42
3 02/12/2023 05:43:27 -70.61, -89.97 95.56 02/12/2023 05:44:38 -70.53, -89.07 95.69 34.46 71
4 02/12/2023 06:34:04 70.14, 78.09 83.93 02/12/2023 06:34:10 70.16, 78.03 83.95 3.19 6
5 02/12/2023 07:24:46 -70.04,-114.44 96.19 02/12/2023 07:23:40 -70.05,-114.50 96.17 2.19 66
6 02/14/2023 22:00:14 -70.23, 26.42 96.87 02/14/2023 22:01:11 -70.22, 26.35 96.88 2.62 57
7 02/14/2023 22:50:58 70.12,-166.11 83.01 02/14/2023 22:50:38 70.11,-166.16 83.01 2.11 20
8 02/14/2023 23:41:27 -69.34, 2.38 97.83 02/14/2023 23:40:19 -69.40, 0.50 97.68 74.05 68
9 02/17/2023 14:17:09 -70.22, 142.22 97.81 02/17/2023 14:17:39 -70.21, 142.21 97.83 1.16 30
10 02/17/2023 15:07:53 70.11, -50.31 82.07 02/17/2023 15:07:06 70.09, -50.30 82.06 2.27 47
11 02/20/2023 05:43:24 70.43, 90.35 81.48 02/20/2023 05:44:35 70.37, 90.71 81.40 14.55 71
12 02/20/2023 06:34:03 -70.16,-101.92 98.82 02/20/2023 06:34:07 -70.16,-101.97 98.82 1.87 4
13 02/20/2023 07:24:47 70.06, 65.54 81.07 02/20/2023 07:23:34 70.04, 65.51 81.06 2.31 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/7/2023
SNOs_Map_NPP_LANDSAT-9_20230207.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/07/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9