Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/18/2018
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 05/19/2018 03:46:49 68.33, 121.93 48.47 05/19/2018 03:47:33 68.32, 121.94 48.46 0.95 44
2 05/19/2018 04:37:30 -68.19, -70.58 131.68 05/19/2018 04:37:03 -68.21, -70.57 131.67 2.12 27
3 05/21/2018 19:13:16 -69.29, 69.09 131.11 05/21/2018 19:14:23 -69.18, 71.23 131.23 85.40 67
4 05/21/2018 20:03:44 68.31,-122.28 47.90 05/21/2018 20:04:04 68.29,-122.22 47.88 3.29 20
5 05/21/2018 20:54:25 -68.17, 45.21 132.25 05/21/2018 20:53:34 -68.18, 45.28 132.24 2.99 51
6 05/24/2018 11:29:55 -68.47,-174.03 132.45 05/24/2018 11:31:06 -68.42,-173.84 132.50 9.72 71
7 05/24/2018 12:20:37 68.25, -6.43 47.32 05/24/2018 12:20:34 68.26, -6.39 47.33 1.65 3
8 05/24/2018 13:11:18 -68.10, 161.07 132.83 05/24/2018 13:10:05 -68.09, 161.05 132.84 1.51 73
9 05/27/2018 03:46:47 -68.30, -58.03 133.09 05/27/2018 03:47:38 -68.32, -58.08 133.07 3.05 51
10 05/27/2018 04:37:31 68.18, 109.43 46.79 05/27/2018 04:37:05 68.21, 109.42 46.81 2.79 26
11 05/27/2018 05:27:57 -67.23, -82.09 134.18 05/27/2018 05:26:49 -67.32, -83.95 134.08 80.74 68
12 05/29/2018 19:13:17 69.30,-110.92 47.50 05/29/2018 19:14:24 69.20,-108.74 47.39 86.56 67
13 05/29/2018 20:03:42 -68.30, 57.75 133.52 05/29/2018 20:04:09 -68.27, 57.73 133.55 2.96 27
14 05/29/2018 20:54:26 68.18,-134.79 46.35 05/29/2018 20:53:36 68.15,-134.77 46.33 3.00 50

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/18/2018
SNOs_Map_NPP_TERRA_20180518.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/18/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service