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: 2/19/2018
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 02/20/2018 02:55:51 68.39, 134.58 79.32 02/20/2018 02:56:56 68.39, 134.63 79.31 1.97 65
2 02/20/2018 03:46:30 -68.22, -57.87 100.88 02/20/2018 03:46:26 -68.23, -57.93 100.87 2.67 4
3 02/20/2018 04:37:09 67.81, 109.95 78.69 02/20/2018 04:35:57 67.89, 109.32 78.80 27.94 72
4 02/22/2018 19:12:42 68.34,-109.57 78.29 02/22/2018 19:13:25 68.32,-109.57 78.27 2.04 43
5 02/22/2018 20:03:23 -68.21, 57.91 101.85 02/22/2018 20:02:55 -68.22, 57.94 101.85 1.07 28
6 02/25/2018 10:39:06 -69.27,-162.35 101.72 02/25/2018 10:40:13 -69.20,-160.24 101.86 83.73 67
7 02/25/2018 11:29:34 68.29, 6.28 77.25 02/25/2018 11:29:54 68.30, 6.29 77.26 1.67 20
8 02/25/2018 12:20:15 -68.16, 173.76 102.90 02/25/2018 12:19:25 -68.14, 173.73 102.91 1.96 50
9 02/28/2018 02:55:44 -68.47, -45.49 103.56 02/28/2018 02:56:55 -68.45, -45.29 103.59 8.26 71
10 02/28/2018 03:46:26 68.24, 122.12 76.19 02/28/2018 03:46:24 68.22, 122.07 76.18 2.59 2
11 02/28/2018 04:37:07 -68.11, -70.39 103.96 02/28/2018 04:35:54 -68.12, -70.41 103.94 2.17 73
12 03/02/2018 19:12:35 -68.37, 70.43 104.69 03/02/2018 19:13:25 -68.37, 70.49 104.69 2.69 50
13 03/02/2018 20:03:17 68.19,-122.04 75.12 03/02/2018 20:02:52 68.20,-122.08 75.13 1.76 25
14 03/02/2018 20:53:44 -67.30, 46.37 105.81 03/02/2018 20:52:35 -67.37, 44.61 105.68 75.81 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/19/2018
SNOs_Map_NPP_TERRA_20180219.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/19/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service