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: 7/6/2017
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 07/08/2017 10:39:10 69.01, 18.03 46.52 07/08/2017 10:40:19 68.91, 19.37 46.39 54.69 69
2 07/08/2017 11:29:40 -68.29,-173.70 134.22 07/08/2017 11:29:58 -68.30,-173.74 134.21 2.75 18
3 07/08/2017 12:20:25 68.21, -6.29 45.71 07/08/2017 12:19:25 68.19, -6.24 45.69 3.15 60
4 07/11/2017 02:55:53 68.39, 134.63 46.22 07/11/2017 02:57:00 68.38, 134.58 46.20 2.26 67
5 07/11/2017 03:46:34 -68.25, -57.88 133.92 07/11/2017 03:46:30 -68.28, -57.90 133.89 3.30 4
6 07/11/2017 04:37:13 67.86, 109.93 45.68 07/11/2017 04:36:01 67.94, 109.34 45.78 26.41 72
7 07/13/2017 19:12:47 68.36,-109.56 46.57 07/13/2017 19:13:33 68.34,-109.60 46.55 2.49 46
8 07/13/2017 20:03:28 -68.22, 57.94 133.57 07/13/2017 20:03:03 -68.25, 57.92 133.54 3.19 25
9 07/13/2017 20:53:54 67.12,-133.42 45.32 07/13/2017 20:52:47 67.17,-135.65 45.43 96.86 67
10 07/16/2017 11:29:40 68.33, 6.25 46.97 07/16/2017 11:30:05 68.35, 6.28 46.99 2.49 25
11 07/16/2017 12:20:21 -68.19, 173.76 133.18 07/16/2017 12:19:36 -68.21, 173.73 133.16 2.07 45
12 07/19/2017 02:55:57 -68.79, -45.89 132.09 07/19/2017 02:57:08 -68.70, -45.09 132.22 34.12 71
13 07/19/2017 03:46:34 68.31, 122.06 47.42 07/19/2017 03:46:40 68.30, 122.07 47.40 1.25 6
14 07/19/2017 04:37:15 -68.16, -70.43 132.74 07/19/2017 04:36:11 -68.15, -70.47 132.74 1.69 64

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/6/2017
SNOs_Map_NPP_TERRA_20170707.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/06/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service