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: 9/16/2021
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 09/16/2021 22:25:43 70.11,-159.87 67.75 09/16/2021 22:24:44 70.11,-159.88 67.75 0.30 59
2 09/16/2021 23:15:13 -70.00, 7.60 112.36 09/16/2021 23:15:26 -70.02, 7.58 112.34 2.48 13
3 09/17/2021 00:04:51 69.29, 174.28 66.97 09/17/2021 00:05:59 69.32, 175.92 66.97 64.50 68
4 09/19/2021 14:42:12 70.08, -44.04 68.75 09/19/2021 14:41:38 70.05, -44.01 68.72 3.39 34
5 09/19/2021 15:31:42 -69.97, 123.44 111.35 09/19/2021 15:32:20 -69.96, 123.45 111.37 1.53 38
6 09/22/2021 06:09:09 -70.48, -95.23 109.84 09/22/2021 06:07:58 -70.57, -96.37 109.73 43.79 71
7 09/22/2021 06:58:42 70.04, 71.79 69.75 09/22/2021 06:58:34 70.05, 71.76 69.75 1.10 8
8 09/22/2021 07:48:12 -69.94,-120.73 110.35 09/22/2021 07:49:16 -69.95,-120.77 110.34 1.97 64
9 09/24/2021 22:25:45 -70.11, 20.12 109.16 09/24/2021 22:24:45 -70.09, 20.15 109.18 2.23 60
10 09/24/2021 23:15:12 70.00,-172.38 70.75 09/24/2021 23:15:29 69.99,-172.38 70.74 1.41 17
11 09/25/2021 00:04:52 -69.35, -5.65 109.89 09/25/2021 00:06:01 -69.36, -4.14 109.89 59.37 69
12 09/27/2021 14:42:15 -70.07, 135.95 108.16 09/27/2021 14:41:41 -70.09, 135.93 108.14 2.39 34
13 09/27/2021 15:31:42 69.96, -56.56 71.75 09/27/2021 15:32:24 69.94, -56.53 71.73 2.68 42

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/16/2021
SNOs_Map_LANDSAT-8_NPP_20210916.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/16/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP