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: 1/15/2018
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 01/16/2018 10:39:21 68.40, 18.72 89.23 01/16/2018 10:40:27 68.41, 18.79 89.23 2.99 66
2 01/16/2018 11:30:02 -68.27,-173.79 90.92 01/16/2018 11:29:58 -68.25,-173.78 90.94 2.03 4
3 01/16/2018 12:20:41 67.87, -5.98 88.67 01/16/2018 12:19:29 67.91, -6.53 88.73 23.35 72
4 01/19/2018 02:56:14 68.37, 134.53 88.67 01/19/2018 02:56:57 68.36, 134.60 88.65 3.37 43
5 01/19/2018 03:46:54 -68.18, -57.91 91.54 01/19/2018 03:46:28 -68.20, -57.96 91.52 2.60 26
6 01/21/2018 18:22:38 -69.32, 81.71 90.92 01/21/2018 18:23:45 -69.19, 83.88 91.12 86.63 67
7 01/21/2018 19:13:05 68.30,-109.59 88.01 01/21/2018 19:13:26 68.30,-109.59 88.01 0.48 21
8 01/21/2018 20:03:46 -68.16, 57.90 92.14 01/21/2018 20:02:57 -68.14, 57.85 92.16 2.74 49
9 01/24/2018 10:39:16 -68.50,-161.39 92.40 01/24/2018 10:40:27 -68.47,-161.15 92.44 10.32 71
10 01/24/2018 11:29:57 68.22, 6.28 87.31 01/24/2018 11:29:56 68.24, 6.22 87.33 3.59 1
11 01/24/2018 12:20:39 -68.13, 173.71 92.79 01/24/2018 12:19:26 -68.14, 173.73 92.78 1.12 73
12 01/27/2018 02:56:07 -68.37, -45.44 93.19 01/27/2018 02:56:58 -68.35, -45.41 93.22 2.39 51
13 01/27/2018 03:46:50 68.20, 122.09 86.62 01/27/2018 03:46:26 68.18, 122.02 86.60 3.44 24
14 01/27/2018 04:37:17 -67.30, -69.50 94.31 01/27/2018 04:36:09 -67.35, -71.29 94.21 76.90 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/15/2018
SNOs_Map_NPP_TERRA_20180115.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/15/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service