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 02:55:50 68.33, 134.60 49.03 05/16/2020 02:56:48 68.35, 134.56 49.04 2.34 58
2 05/16/2020 03:46:32 -68.24, -57.96 131.07 05/16/2020 03:46:18 -68.24, -57.94 131.08 1.34 14
3 05/16/2020 04:37:05 67.53, 110.23 48.21 05/16/2020 04:35:55 67.57, 108.93 48.25 55.45 70
4 05/18/2020 19:12:45 68.35,-109.64 48.45 05/18/2020 19:13:17 68.33,-109.57 48.44 3.07 32
5 05/18/2020 20:03:26 -68.20, 57.87 131.70 05/18/2020 20:02:48 -68.17, 57.87 131.73 3.18 38
6 05/21/2020 10:39:03 -68.85,-161.84 131.58 05/21/2020 10:40:13 -68.76,-160.81 131.68 42.56 70
7 05/21/2020 11:29:38 68.26, 6.25 47.81 05/21/2020 11:29:47 68.26, 6.22 47.81 1.46 9
8 05/21/2020 12:20:20 -68.16, 173.69 132.30 05/21/2020 12:19:17 -68.16, 173.73 132.30 1.68 63
9 05/24/2020 02:55:48 -68.33, -45.38 132.62 05/24/2020 02:56:49 -68.35, -45.43 132.60 3.29 61
10 05/24/2020 03:46:32 68.22, 122.07 47.26 05/24/2020 03:46:16 68.23, 122.07 47.27 1.33 16
11 05/24/2020 04:37:05 -67.64, -69.89 133.33 05/24/2020 04:35:54 -67.69, -70.93 133.28 44.53 71
12 05/26/2020 19:12:42 -68.35, 70.37 133.07 05/26/2020 19:13:17 -68.33, 70.42 133.10 3.32 35
13 05/26/2020 20:03:25 68.19,-122.11 46.76 05/26/2020 20:02:44 68.20,-122.08 46.78 1.81 41

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/14/2020
SNOs_Map_NPP_TERRA_20200514.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