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: 9/19/2017
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 09/21/2017 02:56:40 -68.42, -45.54 112.36 09/21/2017 02:57:18 -68.39, -45.53 112.39 3.43 38
2 09/21/2017 03:47:24 68.29, 121.94 67.53 09/21/2017 03:46:45 68.28, 121.99 67.51 2.13 39
3 09/23/2017 18:23:01 68.83, -97.64 69.08 09/23/2017 18:24:12 68.75, -96.84 69.01 33.31 71
4 09/23/2017 19:13:36 -68.37, 70.29 111.36 09/23/2017 19:13:47 -68.36, 70.32 111.38 1.81 11
5 09/23/2017 20:04:20 68.24,-122.24 68.52 09/23/2017 20:03:14 68.25,-122.17 68.53 2.87 66
6 09/26/2017 10:39:50 68.41, 18.69 69.71 09/26/2017 10:40:46 68.44, 18.66 69.74 3.11 56
7 09/26/2017 11:30:32 -68.33,-173.89 110.36 09/26/2017 11:30:16 -68.33,-173.84 110.36 2.14 16
8 09/26/2017 12:21:04 67.55, -5.61 68.88 09/26/2017 12:19:54 67.60, -7.04 68.92 60.99 70
9 09/29/2017 02:56:46 68.43, 134.44 70.77 09/29/2017 02:57:14 68.41, 134.50 70.74 3.39 28
10 09/29/2017 03:47:26 -68.23, -58.00 109.42 09/29/2017 03:46:45 -68.25, -58.06 109.41 2.96 41
11 10/01/2017 18:23:02 -68.73, 82.50 107.91 10/01/2017 18:24:13 -68.65, 83.03 107.98 23.03 71
12 10/01/2017 19:13:41 68.33,-109.68 71.72 10/01/2017 19:13:44 68.31,-109.74 71.69 3.39 3
13 10/01/2017 20:04:22 -68.19, 57.82 108.41 10/01/2017 20:03:14 -68.21, 57.78 108.40 2.69 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/19/2017
SNOs_Map_NPP_TERRA_20170919.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/19/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service