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: 5/19/2020
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 05/21/2020 10:39:03 -68.87,-161.87 131.56 05/21/2020 10:40:13 -68.75,-160.83 131.70 44.04 70
2 05/21/2020 11:29:38 68.27, 6.23 47.83 05/21/2020 11:29:47 68.25, 6.21 47.80 2.64 9
3 05/21/2020 12:20:19 -68.13, 173.73 132.33 05/21/2020 12:19:17 -68.14, 173.71 132.32 1.39 62
4 05/24/2020 02:55:48 -68.35, -45.40 132.60 05/24/2020 02:56:49 -68.34, -45.44 132.61 1.86 61
5 05/24/2020 03:46:32 68.23, 122.05 47.28 05/24/2020 03:46:16 68.23, 122.07 47.27 0.68 16
6 05/24/2020 04:37:05 -67.66, -69.91 133.31 05/24/2020 04:35:54 -67.68, -70.94 133.29 43.75 71
7 05/26/2020 19:12:42 -68.31, 70.42 133.11 05/26/2020 19:13:18 -68.32, 70.42 133.10 1.26 36
8 05/26/2020 20:03:26 68.20,-122.13 46.77 05/26/2020 20:02:45 68.21,-122.08 46.78 2.32 41
9 05/29/2020 10:39:01 68.80, 18.23 46.97 05/29/2020 10:40:11 68.68, 19.10 46.84 37.75 70
10 05/29/2020 11:29:35 -68.28,-173.76 133.57 05/29/2020 11:29:46 -68.30,-173.73 133.55 2.90 11
11 05/29/2020 12:20:18 68.11, -6.24 46.26 05/29/2020 12:19:14 68.12, -6.29 46.28 2.67 64
12 06/01/2020 02:55:47 68.34, 134.61 46.13 06/01/2020 02:56:45 68.37, 134.60 46.15 3.00 58
13 06/01/2020 03:46:29 -68.24, -57.94 133.98 06/01/2020 03:46:16 -68.22, -57.95 134.01 2.95 13
14 06/01/2020 04:37:02 67.54, 110.24 45.31 06/01/2020 04:35:52 67.59, 108.97 45.37 54.21 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/19/2020
SNOs_Map_NPP_TERRA_20200519.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/19/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service