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: 3/25/2018
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 03/26/2018 19:12:48 68.33,-109.59 65.83 03/26/2018 19:13:44 68.33,-109.60 65.82 0.38 56
2 03/26/2018 20:03:29 -68.19, 57.90 114.33 03/26/2018 20:03:15 -68.17, 57.84 114.35 3.46 14
3 03/26/2018 20:54:01 67.42,-133.83 64.87 03/26/2018 20:52:52 67.50,-135.29 64.98 62.61 69
4 03/29/2018 11:29:44 68.32, 6.18 64.77 03/29/2018 11:30:17 68.30, 6.23 64.74 3.22 33
5 03/29/2018 12:20:25 -68.18, 173.68 115.39 03/29/2018 12:19:47 -68.20, 173.74 115.38 3.16 38
6 04/01/2018 02:56:05 -68.92, -46.14 115.65 04/01/2018 02:57:15 -68.82, -44.90 115.77 50.71 70
7 04/01/2018 03:46:39 68.26, 122.03 63.67 04/01/2018 03:46:50 68.27, 122.06 63.67 1.16 11
8 04/01/2018 04:37:20 -68.12, -70.47 116.50 04/01/2018 04:36:21 -68.11, -70.49 116.50 1.35 59
9 04/03/2018 19:12:50 -68.32, 70.41 117.30 04/03/2018 19:13:56 -68.34, 70.37 117.28 2.98 66
10 04/03/2018 20:03:34 68.21,-122.13 62.58 04/03/2018 20:03:23 68.23,-122.12 62.60 2.05 11
11 04/03/2018 20:54:10 -67.79, 45.71 117.87 04/03/2018 20:52:58 -67.85, 45.07 117.79 27.87 72
12 04/06/2018 11:29:45 -68.32,-173.81 118.32 04/06/2018 11:30:28 -68.30,-173.81 118.34 1.91 43
13 04/06/2018 12:20:28 68.15, -6.30 61.50 04/06/2018 12:19:55 68.18, -6.31 61.53 3.15 33

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/25/2018
SNOs_Map_NPP_TERRA_20180325.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/25/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service