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 59.51 04/18/2023 13:01:50 70.41, -18.89 59.49 2.71 37
2 04/18/2023 13:51:57 -70.32, 148.56 120.62 04/18/2023 13:52:32 -70.33, 148.56 120.61 1.01 35
3 04/21/2023 04:29:18 -71.01, -69.79 120.84 04/21/2023 04:28:09 -71.07, -71.51 120.74 62.24 69
4 04/21/2023 05:18:55 70.36, 96.87 58.51 04/21/2023 05:18:42 70.39, 96.92 58.54 3.31 13
5 04/21/2023 06:08:24 -70.31, -95.58 121.56 04/21/2023 06:09:24 -70.30, -95.62 121.57 1.75 60
6 04/23/2023 20:45:53 -70.47, 45.27 122.27 04/23/2023 20:44:49 -70.48, 45.24 122.26 1.74 64
7 04/23/2023 21:35:20 70.36,-147.25 57.61 04/23/2023 21:35:33 70.37,-147.28 57.62 1.88 13
8 04/23/2023 22:24:57 -69.87, 19.69 122.88 04/23/2023 22:26:07 -69.86, 20.82 122.92 43.43 70
9 04/26/2023 13:02:19 -70.43, 161.10 123.19 04/26/2023 13:01:40 -70.43, 161.10 123.19 0.87 39
10 04/26/2023 13:51:46 70.32, -31.42 56.69 04/26/2023 13:52:24 70.32, -31.42 56.69 0.09 38
11 04/29/2023 04:29:08 70.84, 109.97 56.37 04/29/2023 04:27:57 70.90, 108.80 56.46 43.13 71
12 04/29/2023 05:18:44 -70.41, -83.05 124.07 04/29/2023 05:18:31 -70.38, -83.05 124.09 3.20 13
13 04/29/2023 06:08:11 70.29, 84.43 55.81 04/29/2023 06:09:15 70.28, 84.42 55.80 1.49 64

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/17/2023
SNOs_Map_LANDSAT-8_NPP_20230417.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