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: 9/17/2021
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 09/19/2021 14:42:13 70.07, -44.06 68.73 09/19/2021 14:41:39 70.06, -44.03 68.73 0.96 34
2 09/19/2021 15:31:43 -69.95, 123.42 111.37 09/19/2021 15:32:21 -69.97, 123.43 111.35 1.75 38
3 09/22/2021 06:09:08 -70.52, -95.17 109.80 09/22/2021 06:07:57 -70.53, -96.31 109.77 42.26 71
4 09/22/2021 06:58:42 70.03, 71.77 69.73 09/22/2021 06:58:33 70.01, 71.83 69.71 3.35 9
5 09/22/2021 07:48:12 -69.92,-120.75 110.37 09/22/2021 07:49:15 -69.91,-120.71 110.38 2.12 63
6 09/24/2021 22:25:45 -70.09, 20.10 109.18 09/24/2021 22:24:45 -70.11, 20.13 109.16 2.02 60
7 09/24/2021 23:15:12 69.99,-172.41 70.73 09/24/2021 23:15:29 70.00,-172.40 70.75 1.88 17
8 09/25/2021 00:04:52 -69.33, -5.67 109.91 09/25/2021 00:06:00 -69.32, -4.08 109.94 62.73 68
9 09/27/2021 14:42:15 -70.05, 135.92 108.18 09/27/2021 14:41:40 -70.05, 135.99 108.18 2.89 35
10 09/27/2021 15:31:42 69.94, -56.59 71.73 09/27/2021 15:32:24 69.95, -56.55 71.74 2.15 42
11 09/30/2021 06:09:11 70.32, 84.56 73.12 09/30/2021 06:07:59 70.42, 83.87 73.23 27.99 72
12 09/30/2021 06:58:44 -70.05,-108.19 107.14 09/30/2021 06:58:36 -70.05,-108.23 107.14 1.66 8
13 09/30/2021 07:48:11 69.94, 59.29 72.77 09/30/2021 07:49:20 69.95, 59.22 72.78 2.79 69

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/17/2021
SNOs_Map_LANDSAT-8_NPP_20210917.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/17/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP