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: 1/12/2018
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 90.36 01/13/2018 18:23:48 68.96, -96.42 90.25 59.64 69
2 01/13/2018 19:13:09 -68.31, 70.39 90.40 01/13/2018 19:13:28 -68.28, 70.39 90.42 2.33 19
3 01/13/2018 20:03:53 68.18,-122.15 89.47 01/13/2018 20:02:55 68.18,-122.09 89.48 2.19 58
4 01/16/2018 10:39:20 68.36, 18.78 89.19 01/16/2018 10:40:28 68.35, 18.71 89.17 2.74 68
5 01/16/2018 11:30:01 -68.22,-173.73 90.97 01/16/2018 11:29:58 -68.24,-173.79 90.95 3.19 3
6 01/16/2018 12:20:41 67.88, -5.99 88.68 01/16/2018 12:19:29 67.91, -6.53 88.73 22.75 72
7 01/19/2018 02:56:13 68.33, 134.59 88.62 01/19/2018 02:56:58 68.30, 134.54 88.59 3.48 45
8 01/19/2018 03:46:54 -68.19, -57.92 91.53 01/19/2018 03:46:28 -68.20, -57.96 91.52 1.87 26
9 01/21/2018 18:22:39 -69.33, 81.70 90.91 01/21/2018 18:23:46 -69.21, 83.90 91.10 87.55 67
10 01/21/2018 19:13:06 68.30,-109.60 88.02 01/21/2018 19:13:27 68.32,-109.57 88.03 2.09 21
11 01/21/2018 20:03:47 -68.16, 57.90 92.14 01/21/2018 20:02:58 -68.16, 57.87 92.14 1.05 49
12 01/24/2018 10:39:16 -68.50,-161.39 92.39 01/24/2018 10:40:28 -68.45,-161.18 92.46 10.81 72
13 01/24/2018 11:29:58 68.28, 6.21 87.37 01/24/2018 11:29:56 68.28, 6.26 87.37 2.24 2
14 01/24/2018 12:20:39 -68.14, 173.71 92.79 01/24/2018 12:19:27 -68.12, 173.71 92.80 1.83 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/12/2018
SNOs_Map_NPP_TERRA_20180113.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/12/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service