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: 5/19/2018
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 05/21/2018 19:13:15 -69.28, 69.11 131.12 05/21/2018 19:14:22 -69.18, 71.24 131.23 84.69 67
2 05/21/2018 20:03:43 68.30,-122.27 47.89 05/21/2018 20:04:03 68.30,-122.21 47.89 2.12 20
3 05/21/2018 20:54:24 -68.16, 45.23 132.27 05/21/2018 20:53:34 -68.13, 45.22 132.29 2.89 50
4 05/24/2018 11:29:55 -68.46,-174.01 132.46 05/24/2018 11:31:06 -68.42,-173.84 132.50 8.40 71
5 05/24/2018 12:20:37 68.23, -6.41 47.31 05/24/2018 12:20:34 68.26, -6.39 47.33 2.81 3
6 05/24/2018 13:11:18 -68.09, 161.09 132.84 05/24/2018 13:10:05 -68.09, 161.05 132.84 1.73 73
7 05/27/2018 03:46:48 -68.35, -58.09 133.05 05/27/2018 03:47:38 -68.31, -58.10 133.08 3.56 50
8 05/27/2018 04:37:32 68.23, 109.37 46.83 05/27/2018 04:37:05 68.20, 109.41 46.80 3.12 27
9 05/27/2018 05:27:57 -67.22, -82.08 134.19 05/27/2018 05:26:49 -67.31, -83.97 134.09 81.85 68
10 05/29/2018 19:13:17 69.29,-110.91 47.49 05/29/2018 19:14:24 69.19,-108.77 47.37 85.14 67
11 05/29/2018 20:03:42 -68.29, 57.76 133.53 05/29/2018 20:04:08 -68.30, 57.77 133.52 2.05 26
12 05/29/2018 20:54:26 68.17,-134.78 46.34 05/29/2018 20:53:35 68.19,-134.73 46.36 3.17 51
13 06/01/2018 11:29:55 68.43, 6.03 46.24 06/01/2018 11:31:06 68.44, 6.17 46.24 5.62 71
14 06/01/2018 12:20:35 -68.23, 173.61 133.97 06/01/2018 12:20:38 -68.23, 173.55 133.98 2.43 3
15 06/01/2018 13:11:18 68.06, -18.87 45.85 06/01/2018 13:10:06 68.05, -19.01 45.84 6.20 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/19/2018
SNOs_Map_NPP_TERRA_20180519.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/19/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service