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: 5/11/2020
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 05/13/2020 10:39:04 68.77, 18.25 50.11 05/13/2020 10:40:15 68.62, 19.01 49.95 35.06 71
2 05/13/2020 11:29:39 -68.31,-173.82 130.37 05/13/2020 11:29:49 -68.29,-173.76 130.40 3.34 10
3 05/13/2020 12:20:22 68.13, -6.29 49.45 05/13/2020 12:19:17 68.12, -6.31 49.43 1.82 65
4 05/16/2020 02:55:51 68.35, 134.58 49.05 05/16/2020 02:56:49 68.34, 134.55 49.04 1.75 58
5 05/16/2020 03:46:32 -68.21, -57.92 131.11 05/16/2020 03:46:19 -68.24, -57.94 131.08 3.30 13
6 05/16/2020 04:37:06 67.55, 110.21 48.23 05/16/2020 04:35:56 67.56, 108.92 48.24 54.59 70
7 05/18/2020 19:12:44 68.31,-109.60 48.42 05/18/2020 19:13:18 68.29,-109.63 48.39 3.40 34
8 05/18/2020 20:03:25 -68.16, 57.91 131.74 05/18/2020 20:02:48 -68.18, 57.88 131.72 2.71 37
9 05/21/2020 10:39:03 -68.87,-161.86 131.57 05/21/2020 10:40:14 -68.74,-160.85 131.71 43.20 71
10 05/21/2020 11:29:38 68.27, 6.23 47.83 05/21/2020 11:29:47 68.28, 6.25 47.84 1.36 9
11 05/21/2020 12:20:19 -68.12, 173.74 132.34 05/21/2020 12:19:18 -68.13, 173.69 132.33 2.09 61
12 05/24/2020 02:55:48 -68.35, -45.40 132.61 05/24/2020 02:56:50 -68.35, -45.44 132.61 1.89 62
13 05/24/2020 03:46:32 68.24, 122.05 47.28 05/24/2020 03:46:17 68.23, 122.06 47.27 1.29 15
14 05/24/2020 04:37:05 -67.65, -69.90 133.32 05/24/2020 04:35:54 -67.74, -70.88 133.23 42.28 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/11/2020
SNOs_Map_NPP_TERRA_20200511.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/11/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service