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: 4/8/2023
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 04/10/2023 13:02:32 -70.37, 161.01 117.67 04/10/2023 13:01:50 -70.34, 161.03 117.69 3.23 42
2 04/10/2023 13:51:59 70.26, -31.50 62.22 04/10/2023 13:52:35 70.27, -31.55 62.22 2.09 36
3 04/13/2023 04:29:22 70.72, 109.78 61.70 04/13/2023 04:28:11 70.74, 108.83 61.76 35.03 71
4 04/13/2023 05:18:57 -70.33, -83.16 118.69 04/13/2023 05:18:47 -70.34, -83.20 118.68 2.04 10
5 04/13/2023 06:08:24 70.22, 84.33 61.19 04/13/2023 06:09:31 70.22, 84.30 61.19 1.35 67
6 04/15/2023 20:45:52 70.37,-134.84 60.40 04/15/2023 20:45:01 70.39,-134.82 60.42 2.06 51
7 04/15/2023 21:35:21 -70.31, 32.71 119.68 04/15/2023 21:35:43 -70.30, 32.64 119.69 3.31 22
8 04/18/2023 12:12:34 -71.20, 174.67 119.74 04/18/2023 12:11:27 -71.25, 172.21 119.62 88.41 67
9 04/18/2023 13:02:14 70.38, -18.93 59.45 04/18/2023 13:01:56 70.36, -19.00 59.44 3.16 18
10 04/18/2023 13:51:44 -70.27, 148.54 120.67 04/18/2023 13:52:38 -70.27, 148.47 120.67 2.87 54
11 04/21/2023 04:29:11 -70.41, -70.62 121.43 04/21/2023 04:28:07 -70.40, -70.59 121.44 2.51 64
12 04/21/2023 05:18:38 70.30, 96.85 58.45 04/21/2023 05:18:51 70.29, 96.89 58.44 1.95 13
13 04/21/2023 06:08:15 -69.81, -96.21 122.04 04/21/2023 06:09:25 -69.77, -95.00 122.11 46.79 70

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/8/2023
SNOs_Map_LANDSAT-8_NPP_20230408.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/08/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP