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: 5/21/2019
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 -68.38, -45.45 132.05 1.96 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 2.68 16
3 05/22/2019 04:37:23 -67.62, -69.90 132.83 05/22/2019 04:36:12 -67.72, -70.95 132.72 46.04 71
4 05/24/2019 19:13:02 -68.33, 70.34 132.60 05/24/2019 19:13:35 -68.36, 70.40 132.58 3.48 33
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 3.11 43
6 05/27/2019 10:39:21 68.67, 18.35 47.27 05/27/2019 10:40:31 68.60, 18.94 47.20 24.93 70
7 05/27/2019 11:29:57 -68.25,-173.78 133.16 05/27/2019 11:30:05 -68.27,-173.82 133.14 2.92 8
8 05/27/2019 12:20:41 68.13, -6.33 46.72 05/27/2019 12:19:32 68.16, -6.32 46.74 2.50 69
9 05/30/2019 02:56:12 68.37, 134.51 46.55 05/30/2019 02:57:03 68.39, 134.57 46.57 3.22 51
10 05/30/2019 03:46:53 -68.22, -57.98 133.61 05/30/2019 03:46:34 -68.24, -57.99 133.60 1.37 19
11 05/30/2019 04:37:22 67.30, 110.46 45.46 05/30/2019 04:36:14 67.39, 108.68 45.56 76.88 68
12 06/01/2019 19:13:07 68.30,-109.63 46.09 06/01/2019 19:13:33 68.29,-109.67 46.08 1.94 26
13 06/01/2019 20:03:49 -68.20, 57.82 134.01 06/01/2019 20:03:03 -68.19, 57.85 134.02 1.34 46

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/21/2019
SNOs_Map_NPP_TERRA_20190521.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/21/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service