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: 3/17/2018
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 03/18/2018 19:12:44 -68.31, 70.45 111.03 03/18/2018 19:13:35 -68.32, 70.42 111.03 1.05 51
2 03/18/2018 20:03:28 68.18,-122.07 68.83 03/18/2018 20:03:02 68.20,-122.07 68.85 2.37 26
3 03/18/2018 20:53:54 -67.24, 46.39 112.16 03/18/2018 20:52:46 -67.32, 44.55 112.03 79.45 68
4 03/21/2018 10:39:15 69.34, 17.51 68.99 03/21/2018 10:40:21 69.26, 19.84 68.85 92.16 66
5 03/21/2018 11:29:39 -68.29,-173.76 112.11 03/21/2018 11:30:07 -68.27,-173.77 112.14 2.70 28
6 03/21/2018 12:20:23 68.16, -6.29 67.75 03/21/2018 12:19:34 68.15, -6.26 67.74 1.79 49
7 03/24/2018 02:55:57 68.58, 134.32 67.14 03/24/2018 02:57:08 68.49, 134.73 67.04 19.32 71
8 03/24/2018 03:46:34 -68.22, -57.90 113.25 03/24/2018 03:46:41 -68.23, -57.95 113.24 2.38 7
9 03/24/2018 04:37:18 68.10, 109.57 66.62 03/24/2018 04:36:08 68.11, 109.56 66.64 1.83 70
10 03/26/2018 19:12:49 68.35,-109.62 65.85 03/26/2018 19:13:45 68.35,-109.58 65.84 1.35 56
11 03/26/2018 20:03:30 -68.20, 57.89 114.32 03/26/2018 20:03:16 -68.20, 57.87 114.33 0.97 14
12 03/26/2018 20:54:03 67.49,-133.92 64.94 03/26/2018 20:52:53 67.52,-135.27 65.00 57.42 70
13 03/29/2018 11:29:44 68.28, 6.23 64.73 03/29/2018 11:30:22 68.27, 6.17 64.71 3.22 38
14 03/29/2018 12:20:26 -68.19, 173.68 115.39 03/29/2018 12:19:52 -68.17, 173.70 115.40 1.59 34

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/17/2018
SNOs_Map_NPP_TERRA_20180317.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/17/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service