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: 10/18/2021
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 10/18/2021 22:25:51 70.11,-159.90 79.96 10/18/2021 22:24:58 70.12,-159.90 79.97 0.31 53
2 10/18/2021 23:15:21 -69.99, 7.56 100.15 10/18/2021 23:15:40 -70.02, 7.56 100.12 2.69 19
3 10/19/2021 00:05:03 69.07, 173.96 78.94 10/19/2021 00:06:09 69.11, 176.20 78.99 88.97 66
4 10/21/2021 14:42:21 70.07, -44.08 80.88 10/21/2021 14:41:56 70.05, -44.04 80.86 3.18 25
5 10/21/2021 15:31:51 -69.96, 123.39 99.23 10/21/2021 15:32:38 -69.95, 123.43 99.23 1.73 47
6 10/24/2021 06:09:24 -70.13, -95.76 98.14 10/24/2021 06:08:11 -70.14, -95.74 98.12 1.89 73
7 10/24/2021 06:58:51 70.03, 71.73 81.77 10/24/2021 06:58:55 70.04, 71.74 81.78 1.00 4
8 10/24/2021 07:48:22 -69.86,-120.86 98.39 10/24/2021 07:49:35 -69.83,-120.63 98.42 9.54 73
9 10/26/2021 22:25:53 -70.08, 20.05 97.27 10/26/2021 22:25:08 -70.08, 20.12 97.27 2.71 45
10 10/26/2021 23:15:20 69.97,-172.46 82.64 10/26/2021 23:15:52 69.97,-172.41 82.64 1.99 32
11 10/29/2021 13:52:44 70.62, -30.91 84.17 10/29/2021 13:51:34 70.65, -32.34 84.19 52.70 70
12 10/29/2021 14:42:22 -70.08, 135.93 96.38 10/29/2021 14:42:07 -70.07, 135.89 96.38 1.58 15
13 10/29/2021 15:31:49 69.97, -56.59 83.53 10/29/2021 15:32:51 69.97, -56.64 83.53 2.03 62

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 10/18/2021
SNOs_Map_LANDSAT-8_NPP_20211018.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 10/18/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP