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: 5/12/2018
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 05/13/2018 19:13:12 69.07,-110.61 50.45 05/13/2018 19:14:20 68.95,-109.03 50.32 64.40 68
2 05/13/2018 20:03:41 -68.28, 57.76 130.36 05/13/2018 20:04:00 -68.28, 57.78 130.36 0.98 19
3 05/13/2018 20:54:24 68.11,-134.71 49.46 05/13/2018 20:53:28 68.12,-134.77 49.47 2.63 56
4 05/16/2018 11:29:54 68.35, 6.12 49.09 05/16/2018 11:31:02 68.33, 6.08 49.07 2.84 68
5 05/16/2018 12:20:35 -68.21, 173.63 131.07 05/16/2018 12:20:32 -68.22, 173.58 131.05 2.55 3
6 05/16/2018 13:11:15 67.87, -18.64 48.59 05/16/2018 13:10:03 67.89, -19.16 48.61 21.85 72
7 05/19/2018 03:46:49 68.33, 121.92 48.47 05/19/2018 03:47:33 68.32, 121.94 48.46 1.27 44
8 05/19/2018 04:37:30 -68.19, -70.58 131.68 05/19/2018 04:37:04 -68.16, -70.62 131.71 3.18 26
9 05/21/2018 19:13:16 -69.28, 69.10 131.11 05/21/2018 19:14:23 -69.20, 71.27 131.21 85.92 67
10 05/21/2018 20:03:43 68.26,-122.22 47.85 05/21/2018 20:04:05 68.26,-122.27 47.84 2.23 22
11 05/21/2018 20:54:25 -68.17, 45.22 132.26 05/21/2018 20:53:35 -68.15, 45.24 132.27 1.72 50
12 05/24/2018 11:29:55 -68.47,-174.02 132.46 05/24/2018 11:31:07 -68.41,-173.85 132.51 8.95 72
13 05/24/2018 12:20:37 68.24, -6.42 47.32 05/24/2018 12:20:35 68.24, -6.41 47.31 0.52 2
14 05/24/2018 13:11:18 -68.10, 161.08 132.84 05/24/2018 13:10:06 -68.09, 161.04 132.85 2.22 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/12/2018
SNOs_Map_NPP_TERRA_20180512.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/12/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service