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: 1/31/2018
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 02/01/2018 10:39:13 68.56, 18.54 85.57 02/01/2018 10:40:25 68.49, 18.88 85.48 16.03 72
2 02/01/2018 11:29:51 -68.27,-173.77 94.74 02/01/2018 11:29:57 -68.27,-173.75 94.75 0.80 6
3 02/01/2018 12:20:35 68.14, -6.29 85.11 02/01/2018 12:19:24 68.16, -6.24 85.14 2.79 71
4 02/04/2018 02:56:03 68.39, 134.55 84.61 02/04/2018 02:56:57 68.37, 134.61 84.58 3.22 54
5 02/04/2018 03:46:43 -68.20, -57.90 95.59 02/04/2018 03:46:28 -68.21, -57.94 95.58 2.05 15
6 02/04/2018 04:37:15 67.42, 110.37 83.59 02/04/2018 04:36:06 67.48, 108.85 83.70 65.06 69
7 02/06/2018 19:12:55 68.32,-109.59 83.73 02/06/2018 19:13:28 68.31,-109.58 83.72 0.59 33
8 02/06/2018 20:03:36 -68.19, 57.90 96.42 02/06/2018 20:02:59 -68.16, 57.87 96.45 3.10 37
9 02/09/2018 10:39:13 -68.97,-161.98 96.43 02/09/2018 10:40:23 -68.84,-160.70 96.61 53.17 70
10 02/09/2018 11:29:46 68.25, 6.27 82.81 02/09/2018 11:29:58 68.27, 6.25 82.83 2.52 12
11 02/09/2018 12:20:27 -68.12, 173.76 97.34 02/09/2018 12:19:29 -68.13, 173.70 97.33 2.43 58
12 02/12/2018 02:55:55 -68.37, -45.40 97.93 02/12/2018 02:57:02 -68.37, -45.41 97.94 0.18 67
13 02/12/2018 03:46:39 68.24, 122.07 81.93 02/12/2018 03:46:29 68.25, 122.09 81.93 0.94 10
14 02/12/2018 04:37:16 -67.90, -70.18 98.45 02/12/2018 04:36:03 -67.93, -70.65 98.39 20.21 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/31/2018
SNOs_Map_NPP_TERRA_20180131.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/31/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service