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: 3/9/2018
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 03/10/2018 19:12:42 68.32,-109.54 72.15 03/10/2018 19:13:30 68.34,-109.53 72.17 3.28 48
2 03/10/2018 20:03:23 -68.19, 57.94 108.00 03/10/2018 20:03:01 -68.19, 57.91 108.00 1.09 22
3 03/10/2018 20:53:51 67.18,-133.53 70.96 03/10/2018 20:52:43 67.23,-135.54 71.06 86.59 68
4 03/13/2018 10:39:11 -69.39,-162.53 107.79 03/13/2018 10:40:17 -69.28,-160.12 107.96 95.47 66
5 03/13/2018 11:29:37 68.29, 6.25 71.07 03/13/2018 11:30:00 68.28, 6.26 71.05 1.85 23
6 03/13/2018 12:20:18 -68.16, 173.74 109.09 03/13/2018 12:19:30 -68.18, 173.78 109.07 2.76 48
7 03/16/2018 02:55:51 -68.51, -45.57 109.76 03/16/2018 02:57:02 -68.44, -45.30 109.84 13.05 71
8 03/16/2018 03:46:32 68.22, 122.11 69.93 03/16/2018 03:46:31 68.21, 122.06 69.92 2.31 1
9 03/16/2018 04:37:14 -68.14, -70.47 110.17 03/16/2018 04:36:01 -68.12, -70.42 110.19 3.12 73
10 03/18/2018 19:12:44 -68.33, 70.43 111.01 03/18/2018 19:13:34 -68.32, 70.43 111.02 0.47 50
11 03/18/2018 20:03:28 68.20,-122.10 68.85 03/18/2018 20:03:01 68.20,-122.07 68.85 1.23 27
12 03/18/2018 20:53:54 -67.25, 46.38 112.14 03/18/2018 20:52:46 -67.27, 44.49 112.08 81.05 68
13 03/21/2018 10:39:14 69.26, 17.63 68.91 03/21/2018 10:40:21 69.13, 19.68 68.73 82.40 67
14 03/21/2018 11:29:39 -68.26,-173.71 112.15 03/21/2018 11:30:05 -68.26,-173.77 112.15 2.70 26
15 03/21/2018 12:20:23 68.14, -6.25 67.72 03/21/2018 12:19:32 68.13, -6.28 67.72 1.16 51

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/9/2018
SNOs_Map_NPP_TERRA_20180309.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/09/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service