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: 8/17/2021
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 08/18/2021 14:42:04 70.09, -44.02 57.16 08/18/2021 14:41:24 70.06, -44.00 57.14 3.19 40
2 08/18/2021 15:31:34 -69.98, 123.46 122.94 08/18/2021 15:32:06 -69.98, 123.44 122.94 0.83 32
3 08/21/2021 06:08:57 -70.73, -94.84 121.36 08/21/2021 06:07:48 -70.78, -96.68 121.25 67.69 69
4 08/21/2021 06:58:35 70.02, 71.77 57.97 08/21/2021 06:58:20 70.02, 71.82 57.98 1.98 15
5 08/21/2021 07:48:05 -69.92,-120.75 122.12 08/21/2021 07:49:02 -69.94,-120.73 122.11 2.59 57
6 08/23/2021 22:25:38 -70.12, 20.14 121.05 08/23/2021 22:24:32 -70.11, 20.15 121.05 1.11 66
7 08/23/2021 23:15:05 70.01,-172.37 58.86 08/23/2021 23:15:16 69.99,-172.36 58.84 1.79 11
8 08/24/2021 00:04:41 -69.58, -5.34 121.55 08/24/2021 00:05:52 -69.58, -4.44 121.57 34.76 71
9 08/26/2021 14:42:09 -70.05, 135.92 120.20 08/26/2021 14:41:28 -70.07, 135.97 120.17 3.23 41
10 08/26/2021 15:31:36 69.93, -56.60 59.71 08/26/2021 15:32:12 69.96, -56.55 59.73 3.31 36
11 08/29/2021 06:09:00 70.57, 84.92 61.23 08/29/2021 06:07:50 70.61, 83.58 61.32 50.02 70
12 08/29/2021 06:58:38 -70.03,-108.22 119.28 08/29/2021 06:58:23 -70.04,-108.21 119.27 0.96 15
13 08/29/2021 07:48:05 69.91, 59.26 60.62 08/29/2021 07:49:07 69.93, 59.27 60.63 1.63 62

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 8/17/2021
SNOs_Map_LANDSAT-8_NPP_20210817.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 08/17/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP