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: 3/1/2018
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 03/02/2018 19:12:34 -68.34, 70.46 104.71 03/02/2018 19:13:29 -68.35, 70.47 104.71 1.02 55
2 03/02/2018 20:03:18 68.21,-122.06 75.14 03/02/2018 20:02:57 68.18,-122.08 75.12 2.77 21
3 03/02/2018 20:53:47 -67.44, 46.21 105.67 03/02/2018 20:52:37 -67.52, 44.79 105.54 61.18 70
4 03/05/2018 11:29:26 -68.30,-173.70 105.80 03/05/2018 11:30:00 -68.27,-173.74 105.82 2.95 34
5 03/05/2018 12:20:10 68.16, -6.22 74.06 03/05/2018 12:19:27 68.16, -6.23 74.06 0.51 43
6 03/08/2018 02:55:43 68.76, 134.15 73.66 03/08/2018 02:56:54 68.62, 134.93 73.49 34.81 71
7 03/08/2018 03:46:17 -68.25, -57.86 106.89 03/08/2018 03:46:29 -68.24, -57.90 106.90 1.89 12
8 03/08/2018 04:37:01 68.12, 109.61 72.97 03/08/2018 04:35:56 68.12, 109.61 72.98 0.31 65
9 03/10/2018 19:12:28 68.34,-109.52 72.17 03/10/2018 19:13:28 68.35,-109.52 72.18 1.24 60
10 03/10/2018 20:03:09 -68.20, 57.98 107.99 03/10/2018 20:02:59 -68.20, 57.93 107.99 2.29 10
11 03/10/2018 20:53:44 67.59,-133.96 71.38 03/10/2018 20:52:34 67.63,-135.09 71.45 48.00 70
12 03/13/2018 11:29:20 68.30, 6.32 71.07 03/13/2018 11:29:58 68.29, 6.29 71.06 1.34 38
13 03/13/2018 12:20:02 -68.21, 173.75 109.03 03/13/2018 12:19:28 -68.20, 173.81 109.05 3.22 34

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/1/2018
SNOs_Map_NPP_TERRA_20180301.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/01/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service