Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/22/2023
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 04/23/2023 20:45:59 -70.47, 45.24 122.28 04/23/2023 20:44:49 -70.47, 45.25 122.27 0.99 70
2 04/23/2023 21:35:26 70.36,-147.27 57.61 04/23/2023 21:35:33 70.36,-147.26 57.61 0.87 7
3 04/23/2023 22:24:59 -70.09, 19.97 122.67 04/23/2023 22:26:11 -70.06, 20.52 122.71 21.06 72
4 04/26/2023 13:02:29 -70.46, 161.09 123.17 04/26/2023 13:01:41 -70.47, 161.04 123.15 2.27 48
5 04/26/2023 13:51:56 70.35, -31.42 56.72 04/26/2023 13:52:25 70.36, -31.48 56.73 2.33 29
6 04/29/2023 05:18:59 -70.39, -83.13 124.08 04/29/2023 05:18:31 -70.42, -83.11 124.05 3.04 28
7 04/29/2023 06:08:26 70.28, 84.35 55.81 04/29/2023 06:09:15 70.31, 84.36 55.83 3.29 49
8 05/01/2023 20:45:56 70.65,-134.52 55.36 05/01/2023 20:44:44 70.69,-135.09 55.43 21.36 72
9 05/01/2023 21:35:29 -70.38, 32.72 124.91 05/01/2023 21:35:22 -70.38, 32.72 124.91 0.20 7
10 05/01/2023 22:24:56 70.27,-159.80 54.97 05/01/2023 22:26:06 70.28,-159.81 54.98 1.23 70
11 05/04/2023 13:02:29 70.47, -18.92 54.40 05/04/2023 13:01:31 70.46, -18.94 54.39 1.29 58
12 05/04/2023 13:51:59 -70.37, 148.57 125.71 05/04/2023 13:52:13 -70.36, 148.54 125.73 1.73 14
13 05/04/2023 14:41:37 69.65, -44.80 53.58 05/04/2023 14:42:45 69.62, -43.04 53.52 68.22 68

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/22/2023
SNOs_Map_LANDSAT-8_NPP_20230422.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/22/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP