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: 5/15/2018
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 05/16/2018 11:29:55 68.37, 6.10 49.11 05/16/2018 11:31:02 68.37, 6.12 49.10 0.95 67
2 05/16/2018 12:20:36 -68.23, 173.60 131.05 05/16/2018 12:20:33 -68.21, 173.56 131.07 3.05 3
3 05/16/2018 13:11:15 67.83, -18.60 48.55 05/16/2018 13:10:03 67.93, -19.12 48.65 24.24 72
4 05/19/2018 03:46:48 68.30, 121.96 48.44 05/19/2018 03:47:33 68.31, 121.92 48.45 2.30 45
5 05/19/2018 04:37:30 -68.21, -70.60 131.66 05/19/2018 04:37:03 -68.20, -70.57 131.67 1.38 27
6 05/21/2018 19:13:16 -69.31, 69.07 131.09 05/21/2018 19:14:23 -69.19, 71.24 131.22 86.86 67
7 05/21/2018 20:03:43 68.28,-122.24 47.87 05/21/2018 20:04:04 68.30,-122.22 47.88 2.34 21
8 05/21/2018 20:54:24 -68.14, 45.26 132.29 05/21/2018 20:53:35 -68.14, 45.22 132.28 1.56 49
9 05/24/2018 11:29:56 -68.49,-174.05 132.43 05/24/2018 11:31:07 -68.46,-173.80 132.47 10.72 71
10 05/24/2018 12:20:37 68.21, -6.38 47.28 05/24/2018 12:20:36 68.23, -6.43 47.30 3.09 1
11 05/24/2018 13:11:19 -68.12, 161.05 132.82 05/24/2018 13:10:06 -68.13, 161.09 132.80 2.02 73
12 05/27/2018 03:46:48 -68.32, -58.05 133.08 05/27/2018 03:47:40 -68.34, -58.08 133.06 2.81 52
13 05/27/2018 04:37:32 68.20, 109.41 46.80 05/27/2018 04:37:07 68.22, 109.43 46.82 2.46 25
14 05/27/2018 05:27:59 -67.30, -82.17 134.11 05/27/2018 05:26:51 -67.34, -83.95 134.06 76.42 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/15/2018
SNOs_Map_NPP_TERRA_20180515.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/15/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service