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: 4/9/2017
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 04/11/2017 10:39:04 -68.81,-161.73 119.76 04/11/2017 10:40:15 -68.68,-160.90 119.90 36.17 71
2 04/11/2017 11:29:41 68.32, 6.22 59.73 04/11/2017 11:29:47 68.29, 6.27 59.70 3.24 6
3 04/11/2017 12:20:22 -68.17, 173.73 120.44 04/11/2017 12:19:17 -68.19, 173.78 120.42 2.96 65
4 04/14/2017 02:55:52 -68.37, -45.39 121.18 04/14/2017 02:56:49 -68.38, -45.39 121.18 0.77 57
5 04/14/2017 03:46:36 68.26, 122.06 58.70 04/14/2017 03:46:16 68.27, 122.12 58.70 2.64 20
6 04/14/2017 04:37:06 -67.52, -69.70 122.07 04/14/2017 04:35:56 -67.60, -71.02 121.97 56.71 70
7 04/16/2017 19:12:47 -68.32, 70.45 122.19 04/16/2017 19:13:19 -68.30, 70.39 122.22 3.22 32
8 04/16/2017 20:03:31 68.21,-122.11 57.69 04/16/2017 20:02:46 68.18,-122.10 57.66 3.15 45
9 04/19/2017 10:39:04 68.59, 18.55 57.16 04/19/2017 10:40:15 68.54, 18.94 57.11 16.59 71
10 04/19/2017 11:29:42 -68.27,-173.72 123.18 04/19/2017 11:29:48 -68.27,-173.76 123.18 1.67 6
11 04/19/2017 12:20:26 68.16, -6.27 56.70 04/19/2017 12:19:15 68.15, -6.25 56.70 1.32 71
12 04/22/2017 02:55:55 68.38, 134.59 56.04 04/22/2017 02:56:45 68.39, 134.64 56.05 2.84 50
13 04/22/2017 03:46:36 -68.22, -57.89 124.14 04/22/2017 03:46:16 -68.23, -57.92 124.13 2.45 20
14 04/22/2017 04:37:05 67.30, 110.55 54.93 04/22/2017 04:35:57 67.33, 108.69 54.97 79.59 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/9/2017
SNOs_Map_NPP_TERRA_20170411.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/09/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service