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: 4/19/2023
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 04/21/2023 04:29:18 -71.02, -69.79 120.84 04/21/2023 04:28:09 -71.08, -71.51 120.74 62.40 69
2 04/21/2023 05:18:54 70.37, 96.88 58.52 04/21/2023 05:18:41 70.39, 96.93 58.54 2.72 13
3 04/21/2023 06:08:23 -70.31, -95.58 121.56 04/21/2023 06:09:23 -70.30, -95.62 121.57 1.93 60
4 04/23/2023 20:45:53 -70.47, 45.27 122.27 04/23/2023 20:44:49 -70.49, 45.23 122.25 2.22 64
5 04/23/2023 21:35:20 70.37,-147.24 57.61 04/23/2023 21:35:33 70.38,-147.29 57.63 2.03 13
6 04/23/2023 22:24:57 -69.87, 19.69 122.88 04/23/2023 22:26:07 -69.87, 20.81 122.91 43.15 70
7 04/26/2023 13:02:19 -70.43, 161.10 123.19 04/26/2023 13:01:40 -70.43, 161.09 123.18 0.35 39
8 04/26/2023 13:51:46 70.32, -31.42 56.69 04/26/2023 13:52:24 70.33, -31.43 56.70 0.87 38
9 04/29/2023 04:29:08 70.84, 109.96 56.37 04/29/2023 04:27:57 70.91, 108.78 56.47 43.91 71
10 04/29/2023 05:18:44 -70.40, -83.06 124.07 04/29/2023 05:18:31 -70.39, -83.07 124.08 1.16 13
11 04/29/2023 06:08:11 70.29, 84.42 55.81 04/29/2023 06:09:15 70.29, 84.40 55.81 0.77 64
12 05/01/2023 20:45:39 70.44,-134.75 55.16 05/01/2023 20:44:40 70.46,-134.72 55.19 3.37 59
13 05/01/2023 21:35:07 -70.39, 32.81 124.91 05/01/2023 21:35:21 -70.36, 32.76 124.93 3.18 14
14 05/01/2023 22:24:45 69.66,-160.56 54.38 05/01/2023 22:25:53 69.63,-158.82 54.31 67.34 68

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/19/2023
SNOs_Map_LANDSAT-8_NPP_20230419.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/19/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP