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: 3/12/2018
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 03/13/2018 10:39:11 -69.38,-162.52 107.80 03/13/2018 10:40:17 -69.28,-160.13 107.97 94.60 66
2 03/13/2018 11:29:37 68.28, 6.27 71.05 03/13/2018 11:30:00 68.27, 6.26 71.04 0.92 23
3 03/13/2018 12:20:18 -68.15, 173.75 109.10 03/13/2018 12:19:30 -68.17, 173.77 109.07 2.44 48
4 03/16/2018 02:55:50 -68.45, -45.49 109.83 03/16/2018 02:57:02 -68.42, -45.33 109.87 6.93 72
5 03/16/2018 03:46:33 68.26, 122.06 69.97 03/16/2018 03:46:30 68.25, 122.11 69.96 2.44 3
6 03/16/2018 04:37:13 -68.07, -70.39 110.24 03/16/2018 04:36:01 -68.09, -70.45 110.21 3.26 72
7 03/18/2018 19:12:44 -68.32, 70.45 111.03 03/18/2018 19:13:33 -68.34, 70.44 111.01 2.38 49
8 03/18/2018 20:03:28 68.19,-122.08 68.84 03/18/2018 20:03:01 68.16,-122.12 68.81 3.33 27
9 03/18/2018 20:53:53 -67.19, 46.45 112.21 03/18/2018 20:52:45 -67.28, 44.51 112.07 84.35 68
10 03/21/2018 10:39:12 69.19, 17.72 68.83 03/21/2018 10:40:20 69.07, 19.60 68.67 75.71 68
11 03/21/2018 11:29:39 -68.30,-173.76 112.11 03/21/2018 11:30:02 -68.30,-173.72 112.11 2.04 23
12 03/21/2018 12:20:22 68.12, -6.23 67.70 03/21/2018 12:19:30 68.13, -6.28 67.71 2.31 52
13 03/24/2018 02:55:53 68.37, 134.59 66.93 03/24/2018 02:57:02 68.36, 134.60 66.91 0.97 69
14 03/24/2018 03:46:34 -68.22, -57.90 113.24 03/24/2018 03:46:33 -68.21, -57.95 113.26 2.51 1
15 03/24/2018 04:37:15 67.94, 109.76 66.46 03/24/2018 04:36:02 67.98, 109.42 66.50 14.51 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/12/2018
SNOs_Map_NPP_TERRA_20180312.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/12/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service