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: 2/16/2018
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 02/17/2018 10:39:09 68.97, 18.03 80.88 02/17/2018 10:40:19 68.85, 19.33 80.71 53.45 70
2 02/17/2018 11:29:39 -68.31,-173.77 99.82 02/17/2018 11:29:56 -68.31,-173.72 99.84 2.57 17
3 02/17/2018 12:20:22 68.12, -6.22 79.97 02/17/2018 12:19:24 68.13, -6.28 79.99 2.54 58
4 02/20/2018 02:55:50 68.38, 134.60 79.31 02/20/2018 02:56:55 68.39, 134.64 79.31 1.91 65
5 02/20/2018 03:46:31 -68.26, -57.92 100.84 02/20/2018 03:46:26 -68.24, -57.92 100.86 2.05 5
6 02/20/2018 04:37:09 67.80, 109.96 78.68 02/20/2018 04:35:57 67.89, 109.32 78.80 28.88 72
7 02/22/2018 19:12:42 68.33,-109.55 78.28 02/22/2018 19:13:25 68.31,-109.58 78.26 2.35 43
8 02/22/2018 20:03:23 -68.20, 57.93 101.87 02/22/2018 20:02:55 -68.21, 57.94 101.85 1.62 28
9 02/25/2018 10:39:06 -69.26,-162.33 101.73 02/25/2018 10:40:13 -69.18,-160.27 101.88 82.20 67
10 02/25/2018 11:29:34 68.28, 6.29 77.24 02/25/2018 11:29:54 68.27, 6.26 77.23 1.53 20
11 02/25/2018 12:20:16 -68.20, 173.71 102.86 02/25/2018 12:19:24 -68.18, 173.78 102.87 3.45 52
12 02/28/2018 02:55:43 -68.41, -45.40 103.63 02/28/2018 02:56:55 -68.41, -45.34 103.63 2.55 72
13 02/28/2018 03:46:25 68.23, 122.13 76.18 02/28/2018 03:46:22 68.23, 122.08 76.18 2.10 3
14 02/28/2018 04:37:06 -68.09, -70.38 103.98 02/28/2018 04:35:53 -68.08, -70.46 103.98 3.71 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/16/2018
SNOs_Map_NPP_TERRA_20180216.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/16/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service