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: 5/9/2018
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 05/11/2018 03:46:47 -68.32, -58.07 129.65 05/11/2018 03:47:29 -68.33, -58.04 129.65 1.05 42
2 05/11/2018 04:37:30 68.15, 109.46 50.17 05/11/2018 04:36:57 68.16, 109.41 50.18 2.66 33
3 05/13/2018 19:13:12 69.04,-110.56 50.42 05/13/2018 19:14:21 68.94,-109.04 50.31 61.50 69
4 05/13/2018 20:03:42 -68.30, 57.73 130.34 05/13/2018 20:04:01 -68.28, 57.77 130.36 2.59 19
5 05/13/2018 20:54:25 68.13,-134.74 49.48 05/13/2018 20:53:29 68.11,-134.78 49.46 2.37 56
6 05/16/2018 11:29:55 68.37, 6.10 49.11 05/16/2018 11:31:02 68.39, 6.15 49.13 3.11 67
7 05/16/2018 12:20:36 -68.22, 173.60 131.05 05/16/2018 12:20:33 -68.24, 173.59 131.04 1.41 3
8 05/16/2018 13:11:16 67.89, -18.67 48.61 05/16/2018 13:10:03 67.95, -19.10 48.67 19.11 73
9 05/19/2018 03:46:49 68.36, 121.89 48.50 05/19/2018 03:47:33 68.35, 121.96 48.48 3.01 44
10 05/19/2018 04:37:30 -68.21, -70.60 131.66 05/19/2018 04:37:04 -68.19, -70.59 131.68 1.66 26
11 05/19/2018 05:27:55 67.06, 98.10 47.19 05/19/2018 05:26:48 67.12, 95.84 47.25 98.08 67
12 05/21/2018 19:13:17 -69.36, 68.99 131.03 05/21/2018 19:14:23 -69.25, 71.32 131.16 92.22 66
13 05/21/2018 20:03:43 68.29,-122.25 47.87 05/21/2018 20:04:05 68.30,-122.23 47.88 1.42 22
14 05/21/2018 20:54:24 -68.14, 45.26 132.29 05/21/2018 20:53:36 -68.15, 45.22 132.28 1.88 48

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/9/2018
SNOs_Map_NPP_TERRA_20180509.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/09/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service