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: 3/11/2018
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 -69.36,-162.50 107.81 03/13/2018 10:40:18 -69.23,-160.19 108.01 92.15 67
2 03/13/2018 11:29:37 68.27, 6.28 71.04 03/13/2018 11:30:00 68.28, 6.27 71.05 1.80 23
3 03/13/2018 12:20:18 -68.14, 173.77 109.11 03/13/2018 12:19:31 -68.13, 173.72 109.12 2.19 47
4 03/16/2018 02:55:51 -68.49, -45.54 109.79 03/16/2018 02:57:02 -68.43, -45.32 109.86 10.86 71
5 03/16/2018 03:46:33 68.25, 122.08 69.96 03/16/2018 03:46:30 68.25, 122.11 69.96 1.42 3
6 03/16/2018 04:37:14 -68.11, -70.44 110.20 03/16/2018 04:36:01 -68.10, -70.44 110.21 1.64 73
7 03/18/2018 19:12:44 -68.36, 70.39 110.98 03/18/2018 19:13:32 -68.33, 70.44 111.01 3.19 48
8 03/18/2018 20:03:27 68.18,-122.07 68.82 03/18/2018 20:03:00 68.15,-122.13 68.80 3.50 27
9 03/18/2018 20:53:52 -67.18, 46.47 112.22 03/18/2018 20:52:45 -67.22, 44.44 112.12 87.47 67
10 03/21/2018 10:39:12 69.18, 17.74 68.82 03/21/2018 10:40:20 69.05, 19.58 68.65 74.43 68
11 03/21/2018 11:29:39 -68.28,-173.75 112.12 03/21/2018 11:30:02 -68.29,-173.73 112.12 0.58 23
12 03/21/2018 12:20:23 68.16, -6.28 67.74 03/21/2018 12:19:29 68.16, -6.24 67.75 1.94 54
13 03/24/2018 02:55:53 68.36, 134.60 66.92 03/24/2018 02:57:01 68.38, 134.63 66.93 2.51 68
14 03/24/2018 03:46:34 -68.21, -57.89 113.25 03/24/2018 03:46:32 -68.23, -57.92 113.24 2.44 2
15 03/24/2018 04:37:14 67.88, 109.84 66.40 03/24/2018 04:36:02 67.94, 109.38 66.47 20.12 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/11/2018
SNOs_Map_NPP_TERRA_20180311.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/11/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service