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: 2/28/2018
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 19:12:33 -68.32, 70.48 104.73 03/02/2018 19:13:29 -68.31, 70.43 104.75 2.46 56
2 03/02/2018 20:03:17 68.19,-122.04 75.12 03/02/2018 20:02:56 68.20,-122.06 75.13 1.48 21
3 03/02/2018 20:53:46 -67.42, 46.23 105.69 03/02/2018 20:52:37 -67.48, 44.75 105.58 63.80 69
4 03/05/2018 11:29:25 -68.28,-173.67 105.82 03/05/2018 11:29:59 -68.28,-173.73 105.82 2.31 34
5 03/05/2018 12:20:09 68.14, -6.20 74.04 03/05/2018 12:19:26 68.16, -6.22 74.06 2.32 43
6 03/08/2018 02:55:43 68.74, 134.18 73.64 03/08/2018 02:56:54 68.61, 134.92 73.48 33.18 71
7 03/08/2018 03:46:18 -68.28, -57.90 106.85 03/08/2018 03:46:28 -68.29, -57.84 106.85 2.62 10
8 03/08/2018 04:37:01 68.10, 109.63 72.95 03/08/2018 04:35:56 68.11, 109.60 72.97 1.87 65
9 03/10/2018 19:12:28 68.32,-109.49 72.15 03/10/2018 19:13:28 68.32,-109.55 72.14 2.48 60
10 03/10/2018 20:03:10 -68.24, 57.94 107.95 03/10/2018 20:02:58 -68.22, 57.96 107.97 2.21 12
11 03/10/2018 20:53:44 67.57,-133.93 71.36 03/10/2018 20:52:34 67.60,-135.12 71.41 50.21 70
12 03/13/2018 11:29:19 68.28, 6.34 71.06 03/13/2018 11:29:56 68.29, 6.30 71.06 1.94 37
13 03/13/2018 12:20:01 -68.19, 173.77 109.05 03/13/2018 12:19:26 -68.19, 173.82 109.05 1.83 35

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/28/2018
SNOs_Map_NPP_TERRA_20180228.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/28/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service