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: 3/21/2021
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 2.29 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 2.16 19
3 03/22/2021 08:37:21 -69.30,-134.02 111.46 03/22/2021 08:38:29 -69.32,-132.34 111.51 66.11 68
4 03/24/2021 23:14:42 -70.10, 7.67 111.73 03/24/2021 23:14:08 -70.08, 7.68 111.74 1.68 34
5 03/25/2021 00:04:09 69.99, 175.16 68.16 03/25/2021 00:04:53 70.01, 175.10 68.18 3.39 44
6 03/27/2021 14:41:37 70.40, -43.65 67.52 03/27/2021 14:40:26 70.46, -44.46 67.62 30.77 71
7 03/27/2021 15:31:11 -70.08, 123.51 112.81 03/27/2021 15:31:02 -70.07, 123.48 112.82 1.75 9
8 03/27/2021 16:20:38 69.97, -69.00 67.08 03/27/2021 16:21:46 69.94, -69.02 67.05 2.80 68
9 03/30/2021 06:58:10 70.15, 71.86 66.23 03/30/2021 06:57:14 70.13, 71.84 66.22 2.31 56
10 03/30/2021 07:47:39 -70.05,-120.65 113.89 03/30/2021 07:47:55 -70.05,-120.71 113.89 2.47 16
11 03/30/2021 08:37:19 69.22, 45.87 65.31 03/30/2021 08:38:26 69.24, 47.78 65.26 75.59 67
12 04/01/2021 23:14:38 70.11,-172.31 65.16 04/01/2021 23:14:07 70.12,-172.37 65.17 2.15 31
13 04/02/2021 00:04:09 -69.96, -4.90 115.01 04/02/2021 00:04:48 -69.98, -4.83 115.00 3.05 39

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/21/2021
SNOs_Map_LANDSAT-8_NPP_20210321.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/21/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP