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: 1/9/2018
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 01/11/2018 02:56:16 -68.33, -45.41 89.94 01/11/2018 02:56:58 -68.35, -45.42 89.92 2.46 42
2 01/11/2018 03:47:00 68.20, 122.05 89.93 01/11/2018 03:46:26 68.19, 122.03 89.92 1.91 34
3 01/13/2018 18:22:40 69.08, -97.96 90.41 01/13/2018 18:23:48 68.96, -96.41 90.25 62.95 68
4 01/13/2018 19:13:09 -68.29, 70.40 90.41 01/13/2018 19:13:28 -68.29, 70.39 90.41 0.37 19
5 01/13/2018 20:03:53 68.17,-122.14 89.47 01/13/2018 20:02:55 68.18,-122.09 89.48 2.34 58
6 01/16/2018 10:39:21 68.40, 18.72 89.23 01/16/2018 10:40:27 68.39, 18.76 89.21 2.30 66
7 01/16/2018 11:30:02 -68.26,-173.78 90.92 01/16/2018 11:29:57 -68.29,-173.73 90.90 3.31 5
8 01/16/2018 12:20:41 67.87, -5.99 88.67 01/16/2018 12:19:29 67.89, -6.55 88.71 23.70 72
9 01/19/2018 02:56:13 68.32, 134.60 88.62 01/19/2018 02:56:57 68.32, 134.56 88.61 1.53 44
10 01/19/2018 03:46:55 -68.24, -57.97 91.49 01/19/2018 03:46:27 -68.22, -57.93 91.50 2.61 28
11 01/21/2018 18:22:37 -69.27, 81.79 90.97 01/21/2018 18:23:44 -69.19, 83.88 91.11 83.10 67
12 01/21/2018 19:13:05 68.30,-109.60 88.02 01/21/2018 19:13:25 68.30,-109.59 88.01 0.55 20
13 01/21/2018 20:03:46 -68.16, 57.90 92.14 01/21/2018 20:02:56 -68.14, 57.86 92.16 2.65 50

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/9/2018
SNOs_Map_NPP_TERRA_20180109.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/09/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service