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: 9/11/2018
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 09/13/2018 11:30:23 -68.40,-173.94 115.42 09/13/2018 11:31:05 -68.40,-173.92 115.43 1.15 42
2 09/13/2018 12:21:06 68.23, -6.41 64.42 09/13/2018 12:20:33 68.23, -6.47 64.42 2.67 33
3 09/16/2018 02:56:47 69.00, 133.71 66.20 09/16/2018 02:57:57 68.88, 134.92 66.07 50.42 70
4 09/16/2018 03:47:18 -68.32, -58.06 114.48 09/16/2018 03:47:35 -68.33, -58.12 114.47 2.73 17
5 09/16/2018 04:38:02 68.20, 109.40 65.42 09/16/2018 04:37:02 68.21, 109.39 65.43 1.34 60
6 09/18/2018 19:13:33 68.44,-109.77 66.67 09/18/2018 19:14:34 68.43,-109.76 66.66 1.16 61
7 09/18/2018 20:04:14 -68.29, 57.75 113.47 09/18/2018 20:04:05 -68.27, 57.69 113.49 2.83 9
8 09/18/2018 20:54:50 67.74,-134.26 66.00 09/18/2018 20:53:39 67.76,-135.26 66.01 42.32 71
9 09/21/2018 11:30:29 68.41, 6.04 67.68 09/21/2018 11:31:04 68.39, 6.07 67.65 3.30 35
10 09/21/2018 12:21:10 -68.26, 173.55 112.46 09/21/2018 12:20:35 -68.23, 173.52 112.49 3.31 35
11 09/24/2018 02:56:49 -68.98, -46.26 110.73 09/24/2018 02:57:59 -68.87, -45.10 110.83 47.94 70
12 09/24/2018 03:47:23 68.34, 121.91 68.65 09/24/2018 03:47:33 68.36, 121.91 68.67 2.49 10
13 09/24/2018 04:38:05 -68.24, -70.65 111.44 09/24/2018 04:37:04 -68.21, -70.64 111.47 3.09 61

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/11/2018
SNOs_Map_NPP_TERRA_20180911.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/11/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service