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: 5/13/2017
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 05/16/2017 02:55:57 -68.36, -45.39 130.88 05/16/2017 02:56:57 -68.34, -45.45 130.90 2.79 60
2 05/16/2017 03:46:41 68.23, 122.09 48.98 05/16/2017 03:46:24 68.24, 122.07 48.99 1.56 17
3 05/16/2017 04:37:13 -67.61, -69.82 131.65 05/16/2017 04:36:02 -67.68, -70.94 131.58 48.06 71
4 05/18/2017 19:12:51 -68.33, 70.41 131.50 05/18/2017 19:13:25 -68.35, 70.45 131.48 2.61 34
5 05/18/2017 20:03:35 68.20,-122.11 48.36 05/18/2017 20:02:53 68.19,-122.11 48.35 1.89 42
6 05/21/2017 10:39:10 68.72, 18.36 48.34 05/21/2017 10:40:21 68.64, 19.04 48.25 28.77 71
7 05/21/2017 11:29:46 -68.32,-173.79 132.08 05/21/2017 11:29:55 -68.31,-173.73 132.09 2.54 9
8 05/21/2017 12:20:29 68.13, -6.25 47.74 05/21/2017 12:19:23 68.14, -6.29 47.74 1.72 66
9 05/24/2017 02:55:59 68.38, 134.58 47.48 05/24/2017 02:56:55 68.36, 134.58 47.46 1.87 56
10 05/24/2017 03:46:40 -68.24, -57.93 132.66 05/24/2017 03:46:25 -68.26, -57.91 132.65 2.27 15
11 05/24/2017 04:37:12 67.47, 110.34 46.55 05/24/2017 04:36:03 67.53, 108.89 46.62 62.21 69
12 05/26/2017 19:12:53 68.31,-109.56 46.94 05/26/2017 19:13:25 68.31,-109.60 46.94 1.54 32
13 05/26/2017 20:03:35 -68.23, 57.87 133.15 05/26/2017 20:02:55 -68.22, 57.92 133.17 2.56 40

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/13/2017
SNOs_Map_NPP_TERRA_20170514.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/13/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service