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: 4/6/2023
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 04/07/2023 20:46:07 -70.42, 45.19 116.62 04/07/2023 20:44:55 -70.42, 45.13 116.61 2.06 72
2 04/07/2023 21:35:34 70.31,-147.32 63.27 04/07/2023 21:35:39 70.29,-147.36 63.25 3.12 5
3 04/07/2023 22:25:06 -70.09, 19.99 116.97 04/07/2023 22:26:18 -70.05, 20.33 117.02 13.38 72
4 04/10/2023 13:02:32 -70.36, 160.99 117.68 04/10/2023 13:01:50 -70.35, 161.00 117.68 0.62 42
5 04/10/2023 13:51:59 70.25, -31.52 62.20 04/10/2023 13:52:34 70.23, -31.50 62.19 2.01 35
6 04/13/2023 04:29:22 70.70, 109.76 61.68 04/13/2023 04:28:11 70.76, 108.81 61.77 35.49 71
7 04/13/2023 05:18:57 -70.32, -83.18 118.71 04/13/2023 05:18:46 -70.30, -83.14 118.72 2.12 11
8 04/13/2023 06:08:24 70.20, 84.31 61.18 04/13/2023 06:09:30 70.18, 84.35 61.15 2.96 66
9 04/15/2023 20:45:51 70.41,-134.79 60.43 04/15/2023 20:45:01 70.40,-134.84 60.43 2.19 50
10 04/15/2023 21:35:21 -70.30, 32.69 119.69 04/15/2023 21:35:43 -70.31, 32.62 119.68 2.94 22
11 04/18/2023 12:12:35 -71.18, 174.64 119.76 04/18/2023 12:11:27 -71.21, 172.28 119.66 84.66 68
12 04/18/2023 13:02:15 70.35, -18.97 59.43 04/18/2023 13:01:57 70.37, -19.02 59.45 2.85 18
13 04/18/2023 13:51:45 -70.25, 148.51 120.69 04/18/2023 13:52:38 -70.22, 148.53 120.72 2.71 53

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/6/2023
SNOs_Map_LANDSAT-8_NPP_20230406.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/06/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP