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: 3/26/2023
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, 38.89 112.04 03/26/2023 21:11:14 -70.32, 38.89 112.08 3.61 69
2 03/26/2023 22:00:49 70.23,-153.60 67.82 03/26/2023 22:00:41 70.22,-153.62 67.81 1.18 8
3 03/26/2023 22:51:26 -69.88, 14.24 112.56 03/26/2023 22:50:14 -69.94, 13.62 112.48 24.66 72
4 03/29/2023 13:27:02 -70.30, 154.74 113.15 03/29/2023 13:27:39 -70.31, 154.77 113.14 1.51 37
5 03/29/2023 14:17:46 70.18, -37.75 66.71 03/29/2023 14:17:06 70.21, -37.74 66.74 3.17 40
6 04/01/2023 04:53:21 70.56, 102.78 66.09 04/01/2023 04:54:32 70.47, 103.26 65.98 20.21 71
7 04/01/2023 05:43:59 -70.26, -89.42 114.23 04/01/2023 05:44:04 -70.25, -89.43 114.25 1.33 5
8 04/01/2023 06:34:43 70.14, 78.07 65.63 04/01/2023 06:33:31 70.14, 78.06 65.64 0.58 72
9 04/03/2023 21:10:13 70.33,-141.07 64.82 04/03/2023 21:10:57 70.30,-141.09 64.78 3.12 44
10 04/03/2023 22:00:54 -70.19, 26.47 115.35 04/03/2023 22:00:27 -70.19, 26.39 115.34 3.06 27
11 04/06/2023 12:36:35 -70.91, 166.45 115.59 04/06/2023 12:37:45 -70.79, 167.90 115.75 54.48 70
12 04/06/2023 13:27:09 70.27, -25.21 63.73 04/06/2023 13:27:19 70.30, -25.19 63.76 3.06 10
13 04/06/2023 14:17:51 -70.18, 142.25 116.38 04/06/2023 14:16:49 -70.19, 142.29 116.37 1.74 62

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/26/2023
SNOs_Map_NPP_LANDSAT-9_20230326.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/26/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9