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: 12/27/2019
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 12/29/2019 10:38:56 -68.43,-161.24 88.45 12/29/2019 10:40:00 -68.41,-161.23 88.47 2.26 64
2 12/29/2019 11:29:40 68.31, 6.23 91.44 12/29/2019 11:29:27 68.31, 6.29 91.43 2.75 13
3 12/29/2019 12:20:14 -67.80, 174.19 89.10 12/29/2019 12:19:03 -67.86, 173.40 89.02 34.18 71
4 01/01/2020 02:55:47 -68.36, -45.37 88.69 01/01/2020 02:56:29 -68.35, -45.43 88.71 2.97 42
5 01/01/2020 03:46:31 68.25, 122.09 91.19 01/01/2020 03:45:56 68.24, 122.09 91.18 0.83 35
6 01/03/2020 18:22:10 69.09, -97.88 91.83 01/03/2020 18:23:19 68.94, -96.44 91.65 59.57 69
7 01/03/2020 19:12:40 -68.35, 70.42 88.94 01/03/2020 19:12:58 -68.33, 70.44 88.96 2.12 18
8 01/03/2020 20:03:23 68.18,-122.05 90.90 01/03/2020 20:02:26 68.17,-122.12 90.88 3.23 57
9 01/06/2020 10:38:51 68.44, 18.77 90.88 01/06/2020 10:39:57 68.42, 18.79 90.85 2.13 66
10 01/06/2020 11:29:32 -68.29,-173.72 89.29 01/06/2020 11:29:27 -68.31,-173.71 89.26 3.03 5
11 01/06/2020 12:20:11 67.91, -5.93 90.33 01/06/2020 12:18:59 67.92, -6.52 90.35 24.92 72
12 01/09/2020 02:55:43 68.38, 134.63 90.48 01/09/2020 02:56:26 68.39, 134.64 90.49 1.77 43
13 01/09/2020 03:46:24 -68.22, -57.86 89.69 01/09/2020 03:45:57 -68.23, -57.92 89.68 2.75 27

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/27/2019
SNOs_Map_NPP_TERRA_20191227.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/27/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service