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: 7/8/2018
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 07/08/2018 20:03:38 68.30,-122.20 45.81 07/08/2018 20:04:17 68.32,-122.26 45.83 3.26 39
2 07/08/2018 20:54:20 -68.23, 45.21 134.26 07/08/2018 20:53:47 -68.22, 45.25 134.27 2.27 33
3 07/11/2018 11:30:01 -69.10,-174.80 133.03 07/11/2018 11:31:10 -68.95,-173.26 133.23 63.89 69
4 07/11/2018 12:20:32 68.27, -6.39 46.12 07/11/2018 12:20:47 68.27, -6.44 46.12 2.26 15
5 07/11/2018 13:11:13 -68.15, 161.09 134.01 07/11/2018 13:10:17 -68.17, 161.07 133.98 3.27 56
6 07/14/2018 03:46:41 -68.38, -58.05 133.40 07/14/2018 03:47:48 -68.40, -58.06 133.38 2.54 67
7 07/14/2018 04:37:25 68.24, 109.42 46.48 07/14/2018 04:37:15 68.28, 109.44 46.51 3.48 10
8 07/14/2018 05:28:02 -67.90, -82.82 133.88 07/14/2018 05:26:49 -67.96, -83.31 133.80 21.27 73
9 07/16/2018 20:03:35 -68.34, 57.77 133.00 07/16/2018 20:04:18 -68.34, 57.75 133.01 0.49 43
10 07/16/2018 20:54:19 68.22,-134.77 46.88 07/16/2018 20:53:45 68.22,-134.75 46.88 0.75 34
11 07/19/2018 11:29:59 69.04, 5.29 48.19 07/19/2018 11:31:08 68.94, 6.73 48.04 58.94 69
12 07/19/2018 12:20:29 -68.31, 173.58 132.56 07/19/2018 12:20:48 -68.29, 173.56 132.59 2.98 19
13 07/19/2018 13:11:13 68.19, -18.96 47.32 07/19/2018 13:10:15 68.16, -18.94 47.29 3.39 58
14 07/22/2018 03:46:41 68.38, 121.96 48.01 07/22/2018 03:47:47 68.38, 121.92 48.00 1.62 66

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/8/2018
SNOs_Map_NPP_TERRA_20180708.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/08/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service