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: 4/2/2017
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 04/03/2017 10:39:04 68.85, 18.21 63.30 04/03/2017 10:40:14 68.77, 19.21 63.19 40.91 70
2 04/03/2017 11:29:38 -68.33,-173.78 117.26 04/03/2017 11:29:50 -68.32,-173.71 117.27 2.79 12
3 04/03/2017 12:20:21 68.16, -6.25 62.56 04/03/2017 12:19:18 68.16, -6.26 62.56 0.51 63
4 04/06/2017 02:55:50 68.36, 134.63 61.77 04/06/2017 02:56:49 68.36, 134.58 61.77 1.92 59
5 04/06/2017 03:46:32 -68.26, -57.93 118.34 04/06/2017 03:46:19 -68.25, -57.92 118.36 1.77 13
6 04/06/2017 04:37:05 67.56, 110.26 60.93 04/06/2017 04:35:55 67.64, 109.01 61.03 53.49 70
7 04/08/2017 19:12:45 68.31,-109.53 60.71 04/08/2017 19:13:18 68.33,-109.57 60.73 3.16 33
8 04/08/2017 20:03:27 -68.20, 57.92 119.41 04/08/2017 20:02:48 -68.22, 57.93 119.39 2.11 39
9 04/11/2017 10:39:04 -68.79,-161.71 119.78 04/11/2017 10:40:15 -68.69,-160.90 119.90 34.47 71
10 04/11/2017 11:29:41 68.31, 6.24 59.72 04/11/2017 11:29:47 68.30, 6.27 59.70 1.96 6
11 04/11/2017 12:20:22 -68.15, 173.75 120.46 04/11/2017 12:19:18 -68.13, 173.71 120.47 2.55 64
12 04/14/2017 02:55:52 -68.36, -45.37 121.19 04/14/2017 02:56:49 -68.37, -45.41 121.19 1.44 57
13 04/14/2017 03:46:36 68.26, 122.07 58.69 04/14/2017 03:46:16 68.25, 122.10 58.69 1.59 20
14 04/14/2017 04:37:06 -67.50, -69.68 122.09 04/14/2017 04:35:56 -67.59, -71.03 121.99 58.19 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/2/2017
SNOs_Map_NPP_TERRA_20170404.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/02/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service