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: 4/15/2023
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 04/15/2023 20:45:59 70.48,-134.72 60.50 04/15/2023 20:44:59 70.48,-134.76 60.51 1.64 60
2 04/15/2023 21:35:29 -70.36, 32.75 119.63 04/15/2023 21:35:40 -70.34, 32.77 119.65 2.40 11
3 04/15/2023 22:25:06 69.71,-160.53 59.73 04/15/2023 22:26:14 69.69,-158.94 59.67 61.36 68
4 04/18/2023 13:02:26 70.46, -18.87 59.53 04/18/2023 13:01:50 70.44, -18.94 59.52 2.84 36
5 04/18/2023 13:51:56 -70.34, 148.60 120.59 04/18/2023 13:52:32 -70.36, 148.52 120.58 3.26 36
6 04/21/2023 04:29:18 -71.00, -69.82 120.86 04/21/2023 04:28:08 -71.05, -71.47 120.76 59.89 70
7 04/21/2023 05:18:54 70.40, 96.92 58.55 04/21/2023 05:18:42 70.42, 96.88 58.57 2.69 12
8 04/21/2023 06:08:24 -70.29, -95.60 121.57 04/21/2023 06:09:23 -70.28, -95.58 121.59 1.78 59
9 04/23/2023 20:45:54 -70.47, 45.27 122.27 04/23/2023 20:44:49 -70.46, 45.28 122.28 1.66 65
10 04/23/2023 21:35:21 70.36,-147.25 57.61 04/23/2023 21:35:33 70.35,-147.25 57.60 1.09 12
11 04/23/2023 22:24:58 -69.87, 19.69 122.88 04/23/2023 22:26:08 -69.89, 20.78 122.89 41.87 70
12 04/26/2023 13:02:20 -70.46, 161.13 123.17 04/26/2023 13:01:41 -70.45, 161.06 123.17 2.54 39
13 04/26/2023 13:51:47 70.34, -31.39 56.71 04/26/2023 13:52:25 70.35, -31.47 56.72 2.78 38

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/15/2023
SNOs_Map_LANDSAT-8_NPP_20230415.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/15/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP