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: 5/20/2020
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 10:39:02 -68.83,-161.81 131.61 05/21/2020 10:40:13 -68.74,-160.84 131.71 40.25 71
2 05/21/2020 11:29:38 68.28, 6.22 47.83 05/21/2020 11:29:46 68.30, 6.27 47.85 2.67 8
3 05/21/2020 12:20:19 -68.14, 173.72 132.32 05/21/2020 12:19:17 -68.13, 173.70 132.33 1.44 62
4 05/24/2020 02:55:48 -68.36, -45.42 132.59 05/24/2020 02:56:49 -68.33, -45.45 132.62 3.13 61
5 05/24/2020 03:46:32 68.24, 122.04 47.28 05/24/2020 03:46:16 68.23, 122.06 47.27 1.93 16
6 05/24/2020 04:37:04 -67.61, -69.85 133.36 05/24/2020 04:35:54 -67.67, -70.95 133.30 46.84 70
7 05/26/2020 19:12:42 -68.32, 70.41 133.10 05/26/2020 19:13:18 -68.32, 70.41 133.10 0.07 36
8 05/26/2020 20:03:26 68.20,-122.13 46.78 05/26/2020 20:02:45 68.21,-122.08 46.78 2.28 41
9 05/29/2020 10:39:02 68.81, 18.22 46.98 05/29/2020 10:40:12 68.68, 19.11 46.84 38.16 70
10 05/29/2020 11:29:36 -68.28,-173.77 133.56 05/29/2020 11:29:47 -68.30,-173.73 133.55 2.64 11
11 05/29/2020 12:20:19 68.12, -6.24 46.27 05/29/2020 12:19:15 68.13, -6.29 46.28 2.28 64
12 06/01/2020 02:55:47 68.34, 134.61 46.13 06/01/2020 02:56:46 68.32, 134.55 46.10 3.56 59
13 06/01/2020 03:46:29 -68.25, -57.94 133.98 06/01/2020 03:46:16 -68.22, -57.94 134.00 2.47 13
14 06/01/2020 04:37:02 67.54, 110.24 45.31 06/01/2020 04:35:52 67.60, 108.98 45.37 53.73 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/20/2020
SNOs_Map_NPP_TERRA_20200520.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/20/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service