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: 12/12/2019
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 12/13/2019 10:39:06 -68.39,-161.20 88.59 12/13/2019 10:40:00 -68.42,-161.22 88.56 3.21 54
2 12/13/2019 11:29:50 68.26, 6.27 91.29 12/13/2019 11:29:28 68.26, 6.23 91.28 1.52 22
3 12/13/2019 12:20:19 -67.48, 174.55 89.49 12/13/2019 12:19:09 -67.53, 173.02 89.45 65.15 70
4 12/16/2019 02:55:59 -68.36, -45.39 88.46 12/16/2019 02:56:30 -68.36, -45.41 88.47 0.71 31
5 12/16/2019 03:46:43 68.24, 122.07 91.42 12/16/2019 03:45:57 68.25, 122.11 91.43 2.13 46
6 12/18/2019 18:22:14 68.69, -97.37 91.97 12/18/2019 18:23:25 68.63, -96.83 91.91 22.76 71
7 12/18/2019 19:12:51 -68.33, 70.42 88.39 12/18/2019 19:12:58 -68.36, 70.47 88.37 3.34 7
8 12/18/2019 20:03:35 68.21,-122.12 91.49 12/18/2019 20:02:26 68.19,-122.08 91.47 2.97 69
9 12/21/2019 10:39:02 68.40, 18.79 91.72 12/21/2019 10:39:58 68.41, 18.78 91.73 0.83 56
10 12/21/2019 11:29:44 -68.31,-173.78 88.37 12/21/2019 11:29:28 -68.30,-173.72 88.38 2.57 16
11 12/21/2019 12:20:15 67.49, -5.45 90.81 12/21/2019 12:19:06 67.57, -6.92 90.89 63.07 69
12 12/24/2019 02:55:55 68.38, 134.59 91.69 12/24/2019 02:56:27 68.40, 134.65 91.71 3.68 32
13 12/24/2019 03:46:36 -68.23, -57.90 88.46 12/24/2019 03:45:58 -68.24, -57.90 88.45 1.30 38

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/12/2019
SNOs_Map_NPP_TERRA_20191212.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/12/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service