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: 5/20/2019
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 05/22/2019 02:56:07 -68.36, -45.46 132.06 05/22/2019 02:57:07 -68.39, -45.45 132.04 2.83 60
2 05/22/2019 03:46:51 68.24, 122.00 47.81 05/22/2019 03:46:35 68.22, 122.00 47.79 2.19 16
3 05/22/2019 04:37:23 -67.61, -69.89 132.83 05/22/2019 04:36:13 -67.67, -71.01 132.78 47.74 70
4 05/24/2019 19:13:02 -68.33, 70.35 132.61 05/24/2019 19:13:36 -68.30, 70.33 132.64 2.71 34
5 05/24/2019 20:03:46 68.21,-122.19 47.27 05/24/2019 20:03:03 68.19,-122.16 47.25 2.61 43
6 05/27/2019 10:39:21 68.66, 18.36 47.27 05/27/2019 10:40:31 68.60, 18.94 47.20 24.48 70
7 05/27/2019 11:29:58 -68.30,-173.84 133.11 05/27/2019 11:30:05 -68.27,-173.82 133.14 2.89 7
8 05/27/2019 12:20:41 68.13, -6.32 46.72 05/27/2019 12:19:32 68.16, -6.32 46.74 2.97 69
9 05/30/2019 02:56:12 68.37, 134.52 46.54 05/30/2019 02:57:03 68.39, 134.56 46.56 3.15 51
10 05/30/2019 03:46:53 -68.21, -57.97 133.62 05/30/2019 03:46:34 -68.23, -57.99 133.60 2.27 19
11 05/30/2019 04:37:22 67.29, 110.47 45.45 05/30/2019 04:36:14 67.38, 108.68 45.55 77.52 68
12 06/01/2019 19:13:07 68.29,-109.61 46.08 06/01/2019 19:13:33 68.28,-109.68 46.08 2.71 26
13 06/01/2019 20:03:49 -68.19, 57.83 134.03 06/01/2019 20:03:03 -68.19, 57.84 134.03 0.34 46

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/20/2019
SNOs_Map_NPP_TERRA_20190520.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/20/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service