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: 9/17/2019
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 09/19/2019 02:05:53 -68.63, -33.13 113.13 09/19/2019 02:07:05 -68.58, -32.82 113.17 13.77 72
2 09/19/2019 02:56:34 68.35, 134.54 66.61 09/19/2019 02:56:34 68.36, 134.56 66.62 1.17 0
3 09/19/2019 03:47:15 -68.21, -57.95 113.52 09/19/2019 03:46:05 -68.20, -58.00 113.53 2.28 70
4 09/21/2019 18:22:45 -68.47, 82.86 112.25 09/21/2019 18:23:37 -68.45, 82.89 112.27 2.65 52
5 09/21/2019 19:13:28 68.30,-109.61 67.60 09/21/2019 19:13:05 68.28,-109.67 67.57 3.50 23
6 09/21/2019 20:03:55 -67.45, 58.76 113.24 09/21/2019 20:02:46 -67.50, 57.07 113.19 72.17 69
7 09/24/2019 09:49:14 69.47, 29.94 69.79 09/24/2019 09:50:20 69.41, 32.36 69.74 94.58 66
8 09/24/2019 10:39:38 -68.41,-161.29 111.26 09/24/2019 10:40:06 -68.42,-161.27 111.26 1.34 28
9 09/24/2019 11:30:21 68.25, 6.23 68.59 09/24/2019 11:29:34 68.25, 6.17 68.59 2.54 47
10 09/27/2019 02:05:53 68.62, 146.89 69.98 09/27/2019 02:07:05 68.55, 147.13 69.91 12.35 72
11 09/27/2019 02:56:32 -68.36, -45.45 110.27 09/27/2019 02:56:37 -68.34, -45.49 110.29 2.67 5
12 09/27/2019 03:47:16 68.25, 122.00 69.64 09/27/2019 03:46:04 68.22, 122.01 69.60 3.16 72
13 09/29/2019 18:22:45 68.46, -97.13 70.87 09/29/2019 18:23:36 68.47, -97.09 70.87 1.59 51
14 09/29/2019 19:13:26 -68.31, 70.39 109.28 09/29/2019 19:13:07 -68.32, 70.36 109.27 1.78 19
15 09/29/2019 20:03:55 67.39,-121.16 69.83 09/29/2019 20:02:47 67.47,-122.98 69.89 78.16 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/17/2019
SNOs_Map_NPP_TERRA_20190917.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/17/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service