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: 3/13/2018
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 03/16/2018 02:55:50 -68.47, -45.52 109.81 03/16/2018 02:57:01 -68.44, -45.29 109.84 9.51 71
2 03/16/2018 03:46:32 68.23, 122.10 69.94 03/16/2018 03:46:30 68.22, 122.08 69.93 1.50 2
3 03/16/2018 04:37:13 -68.10, -70.41 110.22 03/16/2018 04:36:00 -68.12, -70.41 110.19 2.14 73
4 03/18/2018 19:12:44 -68.34, 70.42 111.00 03/18/2018 19:13:32 -68.35, 70.48 110.99 3.00 48
5 03/18/2018 20:03:28 68.21,-122.11 68.86 03/18/2018 20:03:00 68.18,-122.09 68.83 3.33 28
6 03/18/2018 20:53:53 -67.21, 46.43 112.19 03/18/2018 20:52:45 -67.24, 44.48 112.10 84.12 68
7 03/21/2018 10:39:12 69.15, 17.77 68.80 03/21/2018 10:40:20 69.08, 19.63 68.67 74.07 68
8 03/21/2018 11:29:39 -68.26,-173.72 112.14 03/21/2018 11:30:03 -68.26,-173.76 112.15 1.88 24
9 03/21/2018 12:20:23 68.14, -6.25 67.72 03/21/2018 12:19:30 68.14, -6.26 67.72 0.25 53
10 03/24/2018 02:55:53 68.33, 134.64 66.89 03/24/2018 02:57:02 68.36, 134.61 66.91 3.28 69
11 03/24/2018 03:46:35 -68.24, -57.93 113.23 03/24/2018 03:46:32 -68.26, -57.87 113.21 3.22 3
12 03/24/2018 04:37:15 67.91, 109.80 66.42 03/24/2018 04:36:02 67.97, 109.43 66.50 17.33 73
13 03/26/2018 19:12:48 68.32,-109.58 65.82 03/26/2018 19:13:31 68.30,-109.57 65.80 1.60 43
14 03/26/2018 20:03:29 -68.17, 57.93 114.36 03/26/2018 20:03:02 -68.15, 57.87 114.37 3.12 27

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/13/2018
SNOs_Map_NPP_TERRA_20180314.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/13/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service