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: 3/6/2019
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 03/08/2019 10:39:17 68.73, 18.29 73.60 03/08/2019 10:40:28 68.66, 19.02 73.50 30.62 71
2 03/08/2019 11:29:52 -68.29,-173.81 106.88 03/08/2019 11:30:03 -68.28,-173.81 106.89 0.52 11
3 03/08/2019 12:20:36 68.15, -6.33 72.97 03/08/2019 12:19:30 68.17, -6.30 72.99 2.23 66
4 03/11/2019 02:56:04 68.37, 134.54 72.18 03/11/2019 02:57:05 68.37, 134.53 72.16 0.59 61
5 03/11/2019 03:46:45 -68.25, -57.98 107.97 03/11/2019 03:46:35 -68.27, -57.96 107.95 3.03 10
6 03/11/2019 04:37:21 67.68, 110.03 71.43 03/11/2019 04:36:10 67.71, 109.03 71.49 42.56 71
7 03/13/2019 19:12:57 68.34,-109.64 71.08 03/13/2019 19:13:37 68.36,-109.62 71.09 2.35 40
8 03/13/2019 20:03:38 -68.21, 57.85 109.07 03/13/2019 20:03:08 -68.21, 57.83 109.07 0.79 30
9 03/16/2019 10:39:22 -69.28,-162.44 108.99 03/16/2019 10:40:29 -69.19,-160.37 109.15 82.59 67
10 03/16/2019 11:29:50 68.30, 6.18 69.98 03/16/2019 11:30:10 68.29, 6.16 69.97 1.64 20
11 03/16/2019 12:20:31 -68.17, 173.67 110.18 03/16/2019 12:19:40 -68.20, 173.68 110.14 3.25 51
12 03/19/2019 02:56:01 -68.55, -45.67 110.82 03/19/2019 02:57:12 -68.51, -45.35 110.87 13.61 71
13 03/19/2019 03:46:42 68.27, 122.00 68.88 03/19/2019 03:46:41 68.28, 122.01 68.89 1.28 1
14 03/19/2019 04:37:23 -68.13, -70.50 111.28 03/19/2019 04:36:12 -68.13, -70.53 111.27 1.32 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/6/2019
SNOs_Map_NPP_TERRA_20190306.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/06/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service