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: 2/8/2018
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 02/09/2018 10:39:11 -68.86,-161.83 96.55 02/09/2018 10:40:22 -68.76,-160.80 96.70 43.05 71
2 02/09/2018 11:29:46 68.24, 6.29 82.80 02/09/2018 11:29:56 68.25, 6.23 82.81 2.71 10
3 02/09/2018 12:20:27 -68.12, 173.76 97.34 02/09/2018 12:19:26 -68.15, 173.74 97.31 3.25 61
4 02/12/2018 02:55:55 -68.37, -45.40 97.93 02/12/2018 02:56:58 -68.39, -45.38 97.93 1.84 63
5 02/12/2018 03:46:39 68.24, 122.08 81.92 02/12/2018 03:46:26 68.21, 122.06 81.90 2.77 13
6 02/12/2018 04:37:13 -67.73, -69.98 98.62 02/12/2018 04:36:02 -67.78, -70.82 98.54 35.74 71
7 02/14/2018 19:12:48 -68.36, 70.38 98.85 02/14/2018 19:13:28 -68.35, 70.45 98.87 3.18 40
8 02/14/2018 20:03:31 68.18,-122.07 80.95 02/14/2018 20:02:56 68.17,-122.11 80.95 1.96 35
9 02/17/2018 10:39:09 69.02, 17.96 80.93 02/17/2018 10:40:18 68.91, 19.39 80.76 58.32 69
10 02/17/2018 11:29:39 -68.30,-173.76 99.84 02/17/2018 11:29:57 -68.31,-173.72 99.83 1.92 18
11 02/17/2018 12:20:22 68.12, -6.22 79.97 02/17/2018 12:19:25 68.13, -6.28 79.98 3.02 57
12 02/20/2018 02:55:50 68.38, 134.60 79.31 02/20/2018 02:56:57 68.36, 134.59 79.28 1.77 67
13 02/20/2018 03:46:31 -68.25, -57.91 100.85 02/20/2018 03:46:27 -68.27, -57.89 100.82 3.04 4
14 02/20/2018 04:37:10 67.85, 109.90 78.73 02/20/2018 04:35:58 67.92, 109.35 78.83 24.47 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/8/2018
SNOs_Map_NPP_TERRA_20180208.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/08/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service