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: 4/17/2023
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 04/18/2023 13:02:27 70.43, -18.91 59.50 04/18/2023 13:01:50 70.41, -18.89 59.49 2.17 37
2 04/18/2023 13:51:57 -70.31, 148.55 120.62 04/18/2023 13:52:32 -70.33, 148.56 120.61 1.70 35
3 04/21/2023 04:29:18 -71.01, -69.80 120.85 04/21/2023 04:28:09 -71.08, -71.51 120.73 62.49 69
4 04/21/2023 05:18:54 70.42, 96.95 58.57 04/21/2023 05:18:42 70.39, 96.92 58.54 3.04 12
5 04/21/2023 06:08:24 -70.30, -95.58 121.56 04/21/2023 06:09:24 -70.30, -95.63 121.56 1.72 60
6 04/23/2023 20:45:53 -70.47, 45.26 122.28 04/23/2023 20:44:49 -70.49, 45.23 122.25 2.75 64
7 04/23/2023 21:35:20 70.36,-147.25 57.61 04/23/2023 21:35:33 70.38,-147.29 57.63 2.75 13
8 04/23/2023 22:24:57 -69.87, 19.68 122.89 04/23/2023 22:26:07 -69.87, 20.81 122.91 43.21 70
9 04/26/2023 13:02:19 -70.43, 161.09 123.19 04/26/2023 13:01:40 -70.44, 161.09 123.18 0.64 39
10 04/26/2023 13:51:46 70.32, -31.43 56.69 04/26/2023 13:52:24 70.33, -31.44 56.70 1.45 38
11 04/29/2023 04:29:08 70.84, 109.96 56.37 04/29/2023 04:27:57 70.91, 108.78 56.47 43.77 71
12 04/29/2023 05:18:44 -70.40, -83.06 124.07 04/29/2023 05:18:31 -70.39, -83.06 124.08 1.25 13
13 04/29/2023 06:08:11 70.29, 84.42 55.81 04/29/2023 06:09:15 70.29, 84.40 55.81 0.68 64

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/17/2023
SNOs_Map_LANDSAT-8_NPP_20230418.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/17/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP