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: 8/3/2023
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 08/04/2023 13:26:15 -70.30, 154.86 126.93 08/04/2023 13:27:27 -70.29, 154.81 126.95 2.66 72
2 08/04/2023 14:16:59 70.18, -37.64 52.95 08/04/2023 14:16:54 70.19, -37.68 52.97 2.46 5
3 08/04/2023 15:07:38 -69.94, 130.04 127.29 08/04/2023 15:06:25 -70.02, 129.70 127.19 15.70 73
4 08/07/2023 05:43:09 -70.26, -89.31 126.24 08/07/2023 05:43:58 -70.25, -89.37 126.26 2.46 49
5 08/07/2023 06:33:53 70.14, 78.18 53.64 08/07/2023 06:33:25 70.15, 78.14 53.66 2.00 28
6 08/09/2023 21:09:37 71.21,-142.41 55.51 08/09/2023 21:10:43 71.11,-139.80 55.32 94.32 66
7 08/09/2023 22:00:02 -70.23, 26.50 125.52 08/09/2023 22:00:27 -70.24, 26.50 125.52 0.92 25
8 08/09/2023 22:50:46 70.11,-166.01 54.37 08/09/2023 22:49:54 70.14,-166.00 54.40 2.57 52
9 08/12/2023 13:26:15 70.35, -25.23 55.39 08/12/2023 13:27:27 70.31, -25.15 55.33 5.71 72
10 08/12/2023 14:16:56 -70.20, 142.31 124.76 08/12/2023 14:16:57 -70.20, 142.33 124.77 1.03 1
11 08/12/2023 15:07:38 69.99, -50.05 55.03 08/12/2023 15:06:25 70.04, -50.26 55.09 9.73 73
12 08/15/2023 05:43:08 70.28, 90.64 56.13 08/15/2023 05:43:56 70.29, 90.71 56.13 2.82 48
13 08/15/2023 06:33:49 -70.13,-101.81 124.01 08/15/2023 06:33:27 -70.13,-101.89 124.02 2.86 22

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/3/2023
SNOs_Map_NPP_LANDSAT-9_20230803.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/03/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9