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: 3/20/2021
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 03/22/2021 06:58:13 -70.12,-108.18 110.65 03/22/2021 06:57:14 -70.11,-108.13 110.66 2.23 59
2 03/22/2021 07:47:40 70.01, 59.32 69.24 03/22/2021 07:47:59 70.03, 59.29 69.26 2.45 19
3 03/22/2021 08:37:21 -69.30,-134.02 111.46 03/22/2021 08:38:29 -69.32,-132.34 111.50 66.08 68
4 03/24/2021 23:14:42 -70.10, 7.67 111.73 03/24/2021 23:14:08 -70.09, 7.68 111.74 1.56 34
5 03/25/2021 00:04:09 69.99, 175.16 68.16 03/25/2021 00:04:52 69.96, 175.17 68.12 3.36 43
6 03/27/2021 14:41:37 70.40, -43.65 67.52 03/27/2021 14:40:26 70.47, -44.46 67.62 30.99 71
7 03/27/2021 15:31:11 -70.08, 123.51 112.81 03/27/2021 15:31:02 -70.07, 123.48 112.81 1.67 9
8 03/27/2021 16:20:38 69.97, -69.00 67.07 03/27/2021 16:21:46 69.95, -69.03 67.05 2.42 68
9 03/30/2021 06:58:10 70.15, 71.86 66.23 03/30/2021 06:57:14 70.14, 71.83 66.23 1.87 56
10 03/30/2021 07:47:40 -70.05,-120.65 113.89 03/30/2021 07:47:56 -70.05,-120.72 113.88 2.67 16
11 03/30/2021 08:37:20 69.21, 45.86 65.31 03/30/2021 08:38:27 69.24, 47.77 65.27 75.41 67
12 04/01/2021 23:14:38 70.11,-172.31 65.15 04/01/2021 23:14:07 70.13,-172.38 65.17 2.75 31
13 04/02/2021 00:04:09 -69.96, -4.90 115.01 04/02/2021 00:04:48 -69.98, -4.84 114.99 3.34 39

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/20/2021
SNOs_Map_LANDSAT-8_NPP_20210320.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/20/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP