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: 2/8/2023
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 14:17:09 70.18, -37.75 84.85 02/09/2023 14:17:40 70.20, -37.79 84.87 2.86 31
2 02/09/2023 15:07:51 -70.08, 129.71 95.27 02/09/2023 15:07:10 -70.09, 129.68 95.26 1.17 41
3 02/12/2023 05:43:27 -70.63, -90.00 95.54 02/12/2023 05:44:38 -70.50, -89.12 95.72 35.67 71
4 02/12/2023 06:34:04 70.16, 78.06 83.95 02/12/2023 06:34:09 70.17, 78.05 83.97 2.18 5
5 02/12/2023 07:24:46 -70.06,-114.47 96.17 02/12/2023 07:23:39 -70.06,-114.47 96.16 0.43 67
6 02/14/2023 22:00:15 -70.25, 26.39 96.85 02/14/2023 22:01:10 -70.27, 26.43 96.84 3.22 55
7 02/14/2023 22:50:59 70.14,-166.14 83.03 02/14/2023 22:50:37 70.17,-166.08 83.06 3.45 22
8 02/14/2023 23:41:28 -69.36, 2.35 97.81 02/14/2023 23:40:19 -69.40, 0.49 97.68 72.74 69
9 02/17/2023 14:17:09 -70.24, 142.18 97.78 02/17/2023 14:17:37 -70.23, 142.25 97.80 3.01 28
10 02/17/2023 15:07:52 70.09, -50.27 82.04 02/17/2023 15:07:05 70.06, -50.34 82.03 3.48 47
11 02/20/2023 05:43:22 70.35, 90.47 81.40 02/20/2023 05:44:34 70.31, 90.62 81.34 7.02 72
12 02/20/2023 06:34:03 -70.19,-101.96 98.79 02/20/2023 06:34:04 -70.21,-101.90 98.78 2.93 1
13 02/20/2023 07:24:45 69.99, 65.66 80.99 02/20/2023 07:23:32 70.04, 65.51 81.05 8.12 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/8/2023
SNOs_Map_NPP_LANDSAT-9_20230208.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/08/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9