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: 2/6/2018
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 02/06/2018 19:12:55 68.34,-109.61 83.75 02/06/2018 19:13:26 68.32,-109.57 83.72 2.57 31
2 02/06/2018 20:03:35 -68.16, 57.94 96.45 02/06/2018 20:02:57 -68.16, 57.87 96.45 2.60 38
3 02/09/2018 10:39:12 -68.89,-161.87 96.52 02/09/2018 10:40:22 -68.78,-160.77 96.67 45.86 70
4 02/09/2018 11:29:47 68.27, 6.25 82.83 02/09/2018 11:29:56 68.28, 6.26 82.84 0.70 9
5 02/09/2018 12:20:28 -68.15, 173.73 97.31 02/09/2018 12:19:27 -68.12, 173.71 97.33 3.15 61
6 02/12/2018 02:55:54 -68.35, -45.37 97.96 02/12/2018 02:56:58 -68.36, -45.41 97.96 2.08 64
7 02/12/2018 03:46:38 68.21, 122.11 81.90 02/12/2018 03:46:25 68.24, 122.09 81.92 2.59 13
8 02/12/2018 04:37:13 -67.76, -70.01 98.59 02/12/2018 04:36:01 -67.80, -70.79 98.52 32.84 72
9 02/14/2018 19:12:47 -68.34, 70.42 98.87 02/14/2018 19:13:28 -68.31, 70.41 98.90 2.78 41
10 02/14/2018 20:03:31 68.21,-122.11 80.99 02/14/2018 20:02:55 68.19,-122.09 80.97 2.28 36
11 02/17/2018 10:39:09 69.01, 17.99 80.91 02/17/2018 10:40:18 68.92, 19.41 80.78 57.52 69
12 02/17/2018 11:29:39 -68.28,-173.73 99.86 02/17/2018 11:29:58 -68.27,-173.76 99.87 1.66 19
13 02/17/2018 12:20:23 68.15, -6.26 80.00 02/17/2018 12:19:25 68.15, -6.26 80.00 1.06 58
14 02/20/2018 02:55:50 68.36, 134.62 79.29 02/20/2018 02:56:57 68.37, 134.61 79.29 1.19 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/6/2018
SNOs_Map_NPP_TERRA_20180206.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/06/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service