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: 5/6/2020
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 05/08/2020 02:55:50 -68.33, -45.40 128.97 05/08/2020 02:56:50 -68.35, -45.45 128.96 2.46 60
2 05/08/2020 03:46:34 68.21, 122.06 50.90 05/08/2020 03:46:17 68.24, 122.07 50.92 2.97 17
3 05/08/2020 04:37:06 -67.59, -69.84 129.74 05/08/2020 04:35:56 -67.63, -71.01 129.70 49.76 70
4 05/10/2020 19:12:44 -68.28, 70.44 129.73 05/10/2020 19:13:20 -68.30, 70.37 129.72 3.26 36
5 05/10/2020 20:03:28 68.16,-122.10 50.15 05/10/2020 20:02:47 68.19,-122.11 50.17 2.59 41
6 05/13/2020 10:39:04 68.76, 18.27 50.09 05/13/2020 10:40:15 68.63, 19.02 49.96 33.60 71
7 05/13/2020 11:29:39 -68.29,-173.79 130.40 05/13/2020 11:29:49 -68.30,-173.74 130.38 2.77 10
8 05/13/2020 12:20:22 68.12, -6.27 49.43 05/13/2020 12:19:17 68.13, -6.30 49.44 1.93 65
9 05/16/2020 02:55:50 68.34, 134.60 49.04 05/16/2020 02:56:48 68.35, 134.56 49.04 1.97 58
10 05/16/2020 03:46:32 -68.24, -57.96 131.07 05/16/2020 03:46:18 -68.25, -57.93 131.07 1.44 14
11 05/16/2020 04:37:05 67.53, 110.23 48.21 05/16/2020 04:35:55 67.57, 108.93 48.25 55.24 70
12 05/18/2020 19:12:44 68.29,-109.57 48.40 05/18/2020 19:13:18 68.28,-109.64 48.39 2.97 34
13 05/18/2020 20:03:26 -68.19, 57.88 131.71 05/18/2020 20:02:48 -68.18, 57.88 131.72 0.84 38

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/6/2020
SNOs_Map_NPP_TERRA_20200506.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/06/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service