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: 9/8/2018
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 09/10/2018 19:13:28 -68.46, 70.22 116.39 09/10/2018 19:14:36 -68.45, 70.26 116.40 2.13 68
2 09/10/2018 20:04:11 68.29,-122.25 63.46 09/10/2018 20:04:04 68.28,-122.29 63.45 1.75 7
3 09/10/2018 20:54:49 -67.98, 45.46 116.84 09/10/2018 20:53:36 -68.06, 45.07 116.76 18.23 73
4 09/13/2018 11:30:23 -68.37,-173.90 115.45 09/13/2018 11:31:05 -68.39,-173.93 115.44 2.21 42
5 09/13/2018 12:21:07 68.26, -6.44 64.45 09/13/2018 12:20:32 68.28, -6.42 64.47 2.51 35
6 09/16/2018 02:56:47 68.98, 133.74 66.17 09/16/2018 02:57:57 68.82, 134.85 66.02 47.52 70
7 09/16/2018 03:47:19 -68.34, -58.09 114.46 09/16/2018 03:47:34 -68.33, -58.12 114.47 2.15 15
8 09/16/2018 04:38:03 68.23, 109.36 65.45 09/16/2018 04:37:01 68.21, 109.38 65.43 2.03 62
9 09/18/2018 19:13:32 68.41,-109.73 66.64 09/18/2018 19:14:31 68.42,-109.76 66.65 1.45 59
10 09/18/2018 20:04:14 -68.31, 57.71 113.45 09/18/2018 20:04:01 -68.32, 57.74 113.45 1.24 13
11 09/18/2018 20:54:47 67.61,-134.10 65.86 09/18/2018 20:53:37 67.69,-135.34 65.94 53.34 70
12 09/21/2018 11:30:28 68.39, 6.07 67.66 09/21/2018 11:30:59 68.40, 6.10 67.67 1.89 31
13 09/21/2018 12:21:09 -68.23, 173.59 112.49 09/21/2018 12:20:30 -68.24, 173.54 112.48 2.33 39

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/8/2018
SNOs_Map_NPP_TERRA_20180908.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/08/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service