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: 8/9/2019
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 08/10/2019 02:06:00 69.01, 146.32 53.27 08/10/2019 02:07:09 68.90, 147.58 53.12 52.32 69
2 08/10/2019 02:56:31 -68.34, -45.47 127.41 08/10/2019 02:56:47 -68.34, -45.47 127.42 0.66 16
3 08/10/2019 03:47:15 68.21, 122.00 52.47 08/10/2019 03:46:14 68.23, 122.05 52.49 2.63 61
4 08/12/2019 18:22:44 68.39, -97.09 53.42 08/12/2019 18:23:46 68.42, -97.12 53.44 3.25 62
5 08/12/2019 19:13:25 -68.31, 70.34 126.66 08/12/2019 19:13:15 -68.31, 70.38 126.66 1.47 10
6 08/12/2019 20:04:00 67.70,-121.58 52.73 08/12/2019 20:02:50 67.75,-122.63 52.81 44.60 70
7 08/15/2019 10:39:38 68.37, 18.72 54.22 08/15/2019 10:40:14 68.39, 18.71 54.23 1.94 36
8 08/15/2019 11:30:20 -68.28,-173.85 125.87 08/15/2019 11:29:44 -68.28,-173.78 125.87 2.77 36
9 08/18/2019 02:05:59 -69.00, -33.65 124.31 08/18/2019 02:07:09 -68.85, -32.48 124.48 49.71 70
10 08/18/2019 02:56:33 68.35, 134.52 55.04 08/18/2019 02:56:43 68.35, 134.55 55.04 1.09 10
11 08/18/2019 03:47:14 -68.20, -57.97 125.11 08/18/2019 03:46:14 -68.19, -58.01 125.12 2.12 60
12 08/20/2019 18:22:44 -68.44, 82.87 124.02 08/20/2019 18:23:45 -68.42, 82.87 124.04 1.74 61
13 08/20/2019 19:13:28 68.32,-109.68 55.89 08/20/2019 19:13:12 68.30,-109.62 55.86 3.08 16
14 08/20/2019 20:04:01 -67.74, 58.37 124.70 08/20/2019 20:02:50 -67.75, 57.37 124.67 42.30 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/9/2019
SNOs_Map_NPP_TERRA_20190809.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/09/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service