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: 9/20/2018
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 09/21/2018 11:30:28 68.40, 6.05 67.67 09/21/2018 11:30:59 68.39, 6.08 67.66 1.67 31
2 09/21/2018 12:21:09 -68.26, 173.55 112.46 09/21/2018 12:20:29 -68.28, 173.58 112.44 2.61 40
3 09/24/2018 02:56:45 -68.77, -45.97 110.94 09/24/2018 02:57:57 -68.65, -45.37 111.05 27.67 72
4 09/24/2018 03:47:23 68.33, 121.92 68.64 09/24/2018 03:47:28 68.31, 121.87 68.62 2.40 5
5 09/24/2018 04:38:05 -68.24, -70.65 111.44 09/24/2018 04:36:58 -68.21, -70.62 111.48 3.30 67
6 09/26/2018 19:13:35 -68.43, 70.25 110.24 09/26/2018 19:14:29 -68.41, 70.22 110.26 2.63 54
7 09/26/2018 20:04:19 68.31,-122.28 69.66 09/26/2018 20:03:56 68.29,-122.28 69.64 1.84 23
8 09/26/2018 20:54:47 -67.46, 46.08 111.17 09/26/2018 20:53:38 -67.52, 44.46 111.13 69.40 69
9 09/29/2018 10:40:06 69.41, 17.36 71.78 09/29/2018 10:41:12 69.31, 19.61 71.70 88.74 66
10 09/29/2018 11:30:31 -68.41,-173.95 109.21 09/29/2018 11:30:57 -68.38,-173.94 109.24 3.08 26
11 09/29/2018 12:21:14 68.23, -6.42 70.63 09/29/2018 12:20:24 68.26, -6.43 70.65 2.84 50
12 10/02/2018 02:56:44 68.48, 134.40 71.89 10/02/2018 02:57:53 68.50, 134.46 71.91 3.27 69
13 10/02/2018 03:47:25 -68.33, -58.09 108.24 10/02/2018 03:47:24 -68.35, -58.09 108.24 1.31 1
14 10/02/2018 04:38:06 68.05, 109.58 71.50 10/02/2018 04:36:53 68.11, 109.28 71.55 13.93 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/20/2018
SNOs_Map_NPP_TERRA_20180920.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/20/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service