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: 5/14/2018
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 05/16/2018 11:29:54 68.33, 6.14 49.07 05/16/2018 11:31:02 68.34, 6.09 49.08 2.39 68
2 05/16/2018 12:20:36 -68.25, 173.57 131.03 05/16/2018 12:20:32 -68.23, 173.59 131.05 1.79 4
3 05/16/2018 13:11:15 67.85, -18.62 48.57 05/16/2018 13:10:03 67.90, -19.15 48.62 22.78 72
4 05/19/2018 03:46:49 68.32, 121.94 48.46 05/19/2018 03:47:33 68.32, 121.94 48.46 0.71 44
5 05/19/2018 04:37:30 -68.17, -70.56 131.70 05/19/2018 04:37:04 -68.16, -70.62 131.71 2.89 26
6 05/21/2018 19:13:15 -69.27, 69.11 131.12 05/21/2018 19:14:22 -69.19, 71.25 131.22 84.59 67
7 05/21/2018 20:03:43 68.30,-122.27 47.89 05/21/2018 20:04:03 68.30,-122.22 47.88 1.96 20
8 05/21/2018 20:54:24 -68.16, 45.23 132.27 05/21/2018 20:53:34 -68.14, 45.22 132.29 1.83 50
9 05/24/2018 11:29:55 -68.46,-174.01 132.47 05/24/2018 11:31:06 -68.44,-173.82 132.49 7.69 71
10 05/24/2018 12:20:37 68.23, -6.41 47.31 05/24/2018 12:20:35 68.21, -6.45 47.28 3.18 2
11 05/24/2018 13:11:18 -68.09, 161.10 132.85 05/24/2018 13:10:05 -68.11, 161.06 132.83 3.00 73
12 05/27/2018 03:46:48 -68.34, -58.08 133.06 05/27/2018 03:47:38 -68.35, -58.06 133.05 1.25 50
13 05/27/2018 04:37:32 68.22, 109.38 46.82 05/27/2018 04:37:05 68.23, 109.44 46.83 2.51 27
14 05/27/2018 05:27:58 -67.26, -82.13 134.15 05/27/2018 05:26:50 -67.29, -84.00 134.11 80.27 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/14/2018
SNOs_Map_NPP_TERRA_20180514.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/14/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service