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: 3/25/2023
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 03/26/2023 21:10:05 -70.36, 38.88 112.03 03/26/2023 21:11:13 -70.37, 38.96 112.04 2.88 68
2 03/26/2023 22:00:49 70.23,-153.61 67.82 03/26/2023 22:00:41 70.21,-153.63 67.80 2.97 8
3 03/26/2023 22:51:26 -69.89, 14.24 112.56 03/26/2023 22:50:14 -69.93, 13.61 112.49 24.46 72
4 03/29/2023 13:27:02 -70.31, 154.73 113.14 03/29/2023 13:27:39 -70.30, 154.75 113.16 1.25 37
5 03/29/2023 14:17:46 70.19, -37.77 66.72 03/29/2023 14:17:06 70.19, -37.77 66.73 0.40 40
6 04/01/2023 04:53:20 70.52, 102.85 66.05 04/01/2023 04:54:32 70.45, 103.23 65.96 15.95 72
7 04/01/2023 05:43:59 -70.27, -89.44 114.22 04/01/2023 05:44:03 -70.28, -89.38 114.22 2.40 4
8 04/01/2023 06:34:43 70.15, 78.06 65.64 04/01/2023 06:33:30 70.17, 78.10 65.66 2.58 73
9 04/03/2023 21:10:14 70.34,-141.10 64.83 04/03/2023 21:10:57 70.32,-141.06 64.80 2.82 43
10 04/03/2023 22:00:55 -70.20, 26.45 115.34 04/03/2023 22:00:27 -70.21, 26.42 115.32 1.78 28
11 04/06/2023 12:36:35 -70.92, 166.42 115.58 04/06/2023 12:37:44 -70.80, 167.92 115.75 56.07 69
12 04/06/2023 13:27:09 70.29, -25.24 63.75 04/06/2023 13:27:18 70.30, -25.18 63.76 2.68 9
13 04/06/2023 14:17:51 -70.19, 142.23 116.36 04/06/2023 14:16:48 -70.19, 142.30 116.36 2.63 63

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/25/2023
SNOs_Map_NPP_LANDSAT-9_20230325.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/25/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9