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: 10/9/2021
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 10/10/2021 22:25:51 -70.15, 20.15 102.96 10/10/2021 22:24:50 -70.14, 20.08 102.97 2.68 61
2 10/10/2021 23:15:19 70.00,-172.42 76.90 10/10/2021 23:15:33 69.98,-172.36 76.88 3.22 14
3 10/11/2021 00:04:57 -69.44, -5.55 103.65 10/11/2021 00:06:07 -69.46, -4.27 103.63 49.90 70
4 10/13/2021 14:42:21 -70.08, 135.93 102.03 10/13/2021 14:41:44 -70.10, 135.92 102.00 2.83 37
5 10/13/2021 15:31:48 69.98, -56.57 77.89 10/13/2021 15:32:28 70.00, -56.61 77.91 2.62 40
6 10/16/2021 06:09:15 70.49, 84.78 79.37 10/16/2021 06:08:04 70.54, 83.69 79.42 40.73 71
7 10/16/2021 06:58:51 -70.05,-108.23 101.07 10/16/2021 06:58:39 -70.07,-108.26 101.05 1.97 12
8 10/16/2021 07:48:18 69.95, 59.27 78.85 10/16/2021 07:49:23 69.96, 59.21 78.86 2.77 65
9 10/18/2021 22:25:51 70.13,-159.87 79.98 10/18/2021 22:24:52 70.14,-159.91 79.99 1.91 59
10 10/18/2021 23:15:21 -70.02, 7.61 100.12 10/18/2021 23:15:34 -70.04, 7.56 100.10 2.27 13
11 10/19/2021 00:04:58 69.36, 174.35 79.23 10/19/2021 00:06:07 69.35, 175.88 79.23 60.26 69
12 10/21/2021 14:42:21 70.09, -44.05 80.90 10/21/2021 14:41:46 70.06, -44.02 80.87 3.29 35
13 10/21/2021 15:31:51 -69.98, 123.43 99.20 10/21/2021 15:32:29 -70.01, 123.38 99.17 3.32 38

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 10/9/2021
SNOs_Map_LANDSAT-8_NPP_20211009.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 10/09/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP