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: 7/16/2017
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 07/19/2017 02:55:52 -68.56, -45.57 132.34 07/19/2017 02:57:03 -68.51, -45.29 132.40 12.48 71
2 07/19/2017 03:46:33 68.27, 122.11 47.38 07/19/2017 03:46:32 68.29, 122.09 47.39 1.81 1
3 07/19/2017 04:37:15 -68.19, -70.47 132.71 07/19/2017 04:36:02 -68.18, -70.41 132.71 2.56 73
4 07/21/2017 19:12:43 -68.37, 70.45 132.02 07/21/2017 19:13:36 -68.37, 70.42 132.03 1.42 53
5 07/21/2017 20:03:27 68.25,-122.09 47.87 07/21/2017 20:03:03 68.26,-122.08 47.87 1.03 24
6 07/21/2017 20:53:55 -67.41, 46.27 133.00 07/21/2017 20:52:46 -67.43, 44.60 132.93 71.23 69
7 07/24/2017 10:39:14 69.46, 17.42 49.65 07/24/2017 10:40:20 69.39, 19.94 49.52 98.74 66
8 07/24/2017 11:29:37 -68.35,-173.74 131.50 07/24/2017 11:30:07 -68.34,-173.75 131.51 0.65 30
9 07/24/2017 12:20:21 68.24, -6.29 48.40 07/24/2017 12:19:34 68.23, -6.24 48.39 2.19 47
10 07/27/2017 02:55:54 68.70, 134.26 49.45 07/27/2017 02:57:04 68.63, 134.84 49.35 24.69 70
11 07/27/2017 03:46:31 -68.33, -57.94 130.93 07/27/2017 03:46:38 -68.30, -57.92 130.96 2.77 7
12 07/27/2017 04:37:14 68.16, 109.58 48.91 07/27/2017 04:36:05 68.18, 109.58 48.94 2.20 69
13 07/29/2017 19:12:42 68.41,-109.59 49.78 07/29/2017 19:13:37 68.41,-109.55 49.77 1.66 55
14 07/29/2017 20:03:23 -68.25, 57.93 130.38 07/29/2017 20:03:08 -68.26, 57.89 130.38 1.42 15
15 07/29/2017 20:53:55 67.50,-133.83 48.86 07/29/2017 20:52:46 67.52,-135.31 48.92 63.11 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/16/2017
SNOs_Map_NPP_TERRA_20170717.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/16/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service