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: 1/11/2018
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 01/13/2018 18:22:39 69.03, -97.90 90.37 01/13/2018 18:23:48 68.93, -96.45 90.23 59.27 69
2 01/13/2018 19:13:09 -68.31, 70.38 90.39 01/13/2018 19:13:27 -68.32, 70.43 90.39 1.94 18
3 01/13/2018 20:03:52 68.13,-122.08 89.42 01/13/2018 20:02:55 68.16,-122.12 89.45 3.22 57
4 01/16/2018 10:39:20 68.36, 18.77 89.19 01/16/2018 10:40:27 68.35, 18.71 89.17 3.09 67
5 01/16/2018 11:30:01 -68.22,-173.73 90.96 01/16/2018 11:29:57 -68.23,-173.79 90.96 2.55 4
6 01/16/2018 12:20:40 67.83, -5.93 88.63 01/16/2018 12:19:28 67.90, -6.53 88.72 26.36 72
7 01/19/2018 02:56:13 68.34, 134.58 88.63 01/19/2018 02:56:55 68.36, 134.61 88.65 2.54 42
8 01/19/2018 03:46:54 -68.20, -57.92 91.53 01/19/2018 03:46:26 -68.19, -57.95 91.53 1.33 28
9 01/21/2018 18:22:37 -69.23, 81.84 91.01 01/21/2018 18:23:44 -69.13, 83.82 91.17 78.96 67
10 01/21/2018 19:13:06 68.31,-109.61 88.03 01/21/2018 19:13:24 68.30,-109.58 88.01 2.35 18
11 01/21/2018 20:03:47 -68.17, 57.88 92.13 01/21/2018 20:02:54 -68.19, 57.93 92.11 3.07 53
12 01/24/2018 10:39:14 -68.41,-161.27 92.49 01/24/2018 10:40:24 -68.40,-161.21 92.51 2.63 70
13 01/24/2018 11:29:57 68.24, 6.26 87.33 01/24/2018 11:29:52 68.23, 6.22 87.32 2.20 5
14 01/24/2018 12:20:36 -67.99, 173.89 92.94 01/24/2018 12:19:24 -68.01, 173.60 92.90 12.29 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/11/2018
SNOs_Map_NPP_TERRA_20180111.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/11/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service