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: 12/29/2017
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 12/31/2017 10:39:30 68.37, 18.73 91.34 12/31/2017 10:40:27 68.39, 18.76 91.34 1.80 57
2 12/31/2017 11:30:11 -68.23,-173.77 88.82 12/31/2017 11:29:58 -68.22,-173.81 88.82 1.82 13
3 12/31/2017 12:20:44 67.52, -5.58 90.46 12/31/2017 12:19:34 67.61, -6.88 90.57 56.12 70
4 01/03/2018 02:56:22 68.33, 134.56 91.07 01/03/2018 02:56:56 68.35, 134.59 91.08 2.13 34
5 01/03/2018 03:47:03 -68.19, -57.94 89.09 01/03/2018 03:46:27 -68.19, -57.97 89.09 1.37 36
6 01/05/2018 18:22:41 -68.94, 82.22 88.59 01/05/2018 18:23:51 -68.86, 83.46 88.70 50.44 70
7 01/05/2018 19:13:15 68.29,-109.62 90.75 01/05/2018 19:13:26 68.30,-109.59 90.75 1.58 11
8 01/05/2018 20:03:56 -68.15, 57.89 89.41 01/05/2018 20:02:57 -68.14, 57.86 89.41 1.30 59
9 01/08/2018 10:39:24 -68.37,-161.25 89.51 01/08/2018 10:40:29 -68.37,-161.27 89.52 1.12 65
10 01/08/2018 11:30:08 68.26, 6.21 90.38 01/08/2018 11:29:56 68.25, 6.23 90.37 1.34 12
11 01/08/2018 12:20:43 -67.79, 174.11 90.12 01/08/2018 12:19:31 -67.87, 173.42 90.02 30.71 72
12 01/11/2018 02:56:17 -68.33, -45.42 89.93 01/11/2018 02:56:59 -68.31, -45.46 89.96 3.06 42
13 01/11/2018 03:47:00 68.17, 122.09 89.90 01/11/2018 03:46:26 68.19, 122.04 89.92 3.25 34

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/29/2017
SNOs_Map_NPP_TERRA_20171229.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/29/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service