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: 3/24/2018
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 68.31,-109.57 65.81 03/26/2018 19:13:45 68.30,-109.63 65.79 2.81 57
2 03/26/2018 20:03:30 -68.23, 57.86 114.30 03/26/2018 20:03:15 -68.20, 57.88 114.32 2.95 15
3 03/26/2018 20:54:02 67.45,-133.87 64.90 03/26/2018 20:52:53 67.47,-135.32 64.95 61.53 69
4 03/29/2018 11:29:44 68.30, 6.21 64.75 03/29/2018 11:30:18 68.29, 6.22 64.73 1.48 34
5 03/29/2018 12:20:25 -68.16, 173.71 115.42 03/29/2018 12:19:48 -68.19, 173.73 115.39 3.17 37
6 04/01/2018 02:56:06 -68.95, -46.19 115.62 04/01/2018 02:57:16 -68.83, -44.89 115.76 53.21 70
7 04/01/2018 03:46:39 68.24, 122.06 63.65 04/01/2018 03:46:52 68.22, 122.00 63.62 3.38 13
8 04/01/2018 04:37:21 -68.15, -70.51 116.47 04/01/2018 04:36:22 -68.12, -70.49 116.49 3.27 59
9 04/03/2018 19:12:50 -68.35, 70.37 117.26 04/03/2018 19:13:57 -68.33, 70.34 117.30 3.24 67
10 04/03/2018 20:03:33 68.19,-122.10 62.56 04/03/2018 20:03:24 68.21,-122.15 62.58 3.27 9
11 04/03/2018 20:54:10 -67.82, 45.67 117.84 04/03/2018 20:52:58 -67.89, 45.11 117.75 24.94 72
12 04/06/2018 11:29:45 -68.29,-173.78 118.34 04/06/2018 11:30:30 -68.32,-173.80 118.32 2.86 45
13 04/06/2018 12:20:29 68.19, -6.34 61.54 04/06/2018 12:19:57 68.20, -6.29 61.55 2.61 32
14 04/06/2018 13:10:52 -67.06, 162.35 119.62 04/06/2018 13:09:45 -67.10, 160.09 119.55 98.02 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/24/2018
SNOs_Map_NPP_TERRA_20180324.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/24/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service