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: 3/23/2023
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 03/24/2023 05:43:52 70.29, 90.53 68.94 03/24/2023 05:44:14 70.30, 90.61 68.94 2.88 22
2 03/24/2023 06:34:33 -70.16,-101.94 111.22 03/24/2023 06:33:44 -70.18,-101.92 111.19 2.67 49
3 03/26/2023 21:10:05 -70.35, 38.91 112.05 03/26/2023 21:11:14 -70.35, 38.93 112.05 1.25 69
4 03/26/2023 22:00:49 70.22,-153.59 67.81 03/26/2023 22:00:41 70.25,-153.58 67.83 2.73 8
5 03/26/2023 22:51:27 -69.93, 14.18 112.52 03/26/2023 22:50:14 -69.97, 13.66 112.45 20.32 73
6 03/29/2023 13:27:02 -70.28, 154.77 113.17 03/29/2023 13:27:41 -70.27, 154.70 113.19 3.30 39
7 03/29/2023 14:17:47 70.21, -37.81 66.75 03/29/2023 14:17:07 70.21, -37.74 66.75 2.82 40
8 04/01/2023 04:53:22 70.59, 102.74 66.12 04/01/2023 04:54:34 70.47, 103.25 65.98 22.75 72
9 04/01/2023 05:43:59 -70.23, -89.38 114.27 04/01/2023 05:44:06 -70.25, -89.43 114.25 3.15 7
10 04/01/2023 06:34:44 70.17, 78.03 65.66 04/01/2023 06:33:33 70.14, 78.05 65.64 2.99 71
11 04/03/2023 21:10:14 70.34,-141.09 64.83 04/03/2023 21:11:00 70.31,-141.09 64.79 3.43 46
12 04/03/2023 22:00:55 -70.19, 26.46 115.34 04/03/2023 22:00:30 -70.20, 26.39 115.33 2.80 25

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/23/2023
SNOs_Map_NPP_LANDSAT-9_20230323.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/23/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9