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: 2/13/2018
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 02/14/2018 19:12:47 -68.35, 70.40 98.86 02/14/2018 19:13:27 -68.34, 70.45 98.88 1.93 40
2 02/14/2018 20:03:31 68.21,-122.11 80.99 02/14/2018 20:02:54 68.23,-122.05 81.01 3.31 37
3 02/17/2018 10:39:09 69.00, 17.99 80.91 02/17/2018 10:40:18 68.90, 19.39 80.76 56.74 69
4 02/17/2018 11:29:39 -68.29,-173.74 99.85 02/17/2018 11:29:57 -68.30,-173.72 99.84 1.83 18
5 02/17/2018 12:20:23 68.15, -6.26 80.00 02/17/2018 12:19:25 68.13, -6.28 79.98 2.82 58
6 02/20/2018 02:55:50 68.35, 134.63 79.28 02/20/2018 02:56:57 68.36, 134.60 79.28 1.76 67
7 02/20/2018 03:46:32 -68.28, -57.95 100.81 02/20/2018 03:46:27 -68.27, -57.89 100.83 3.21 5
8 02/20/2018 04:37:10 67.82, 109.93 78.71 02/20/2018 04:35:58 67.92, 109.35 78.83 26.46 72
9 02/22/2018 19:12:43 68.35,-109.59 78.31 02/22/2018 19:13:27 68.33,-109.57 78.28 2.93 44
10 02/22/2018 20:03:24 -68.22, 57.90 101.84 02/22/2018 20:02:57 -68.24, 57.95 101.83 2.56 27
11 02/25/2018 10:39:07 -69.33,-162.44 101.65 02/25/2018 10:40:14 -69.26,-160.17 101.80 89.63 67
12 02/25/2018 11:29:34 68.30, 6.26 77.26 02/25/2018 11:29:56 68.30, 6.27 77.26 0.57 22
13 02/25/2018 12:20:15 -68.17, 173.75 102.89 02/25/2018 12:19:27 -68.15, 173.73 102.90 1.93 48

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/13/2018
SNOs_Map_NPP_TERRA_20180214.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/13/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service