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: 5/14/2020
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 05/16/2020 02:55:51 68.35, 134.58 49.05 05/16/2020 02:56:49 68.33, 134.54 49.03 2.69 58
2 05/16/2020 03:46:32 -68.21, -57.92 131.11 05/16/2020 03:46:19 -68.22, -57.96 131.10 2.09 13
3 05/16/2020 04:37:05 67.49, 110.28 48.17 05/16/2020 04:35:56 67.55, 108.91 48.23 58.40 69
4 05/18/2020 19:12:44 68.31,-109.59 48.42 05/18/2020 19:13:17 68.32,-109.59 48.43 1.56 33
5 05/18/2020 20:03:25 -68.16, 57.91 131.74 05/18/2020 20:02:48 -68.16, 57.85 131.75 2.63 37
6 05/21/2020 10:39:03 -68.87,-161.86 131.57 05/21/2020 10:40:13 -68.76,-160.82 131.69 43.62 70
7 05/21/2020 11:29:38 68.27, 6.23 47.82 05/21/2020 11:29:47 68.25, 6.21 47.81 1.89 9
8 05/21/2020 12:20:19 -68.12, 173.74 132.34 05/21/2020 12:19:17 -68.15, 173.72 132.31 3.26 62
9 05/24/2020 02:55:48 -68.34, -45.40 132.61 05/24/2020 02:56:49 -68.36, -45.43 132.60 1.92 61
10 05/24/2020 03:46:32 68.23, 122.06 47.28 05/24/2020 03:46:16 68.24, 122.08 47.28 1.10 16
11 05/24/2020 04:37:05 -67.65, -69.90 133.32 05/24/2020 04:35:54 -67.69, -70.93 133.27 43.56 71
12 05/26/2020 19:12:42 -68.31, 70.43 133.11 05/26/2020 19:13:19 -68.29, 70.37 133.14 3.28 37
13 05/26/2020 20:03:26 68.20,-122.12 46.77 05/26/2020 20:02:45 68.22,-122.06 46.79 3.53 41

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/14/2020
SNOs_Map_NPP_TERRA_20200515.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/14/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service