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: 6/12/2017
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 06/14/2017 10:39:10 -68.88,-161.83 134.50 06/14/2017 10:40:21 -68.78,-160.79 134.61 43.13 71
2 06/14/2017 11:29:45 68.26, 6.30 44.87 06/14/2017 11:29:55 68.28, 6.24 44.89 3.54 10
3 06/14/2017 12:20:27 -68.19, 173.70 135.20 06/14/2017 12:19:25 -68.18, 173.75 135.22 2.38 62
4 06/17/2017 02:55:56 -68.40, -45.42 135.08 06/17/2017 02:56:57 -68.40, -45.39 135.09 1.49 61
5 06/17/2017 03:46:40 68.26, 122.06 44.78 06/17/2017 03:46:24 68.28, 122.12 44.79 2.67 16
6 06/17/2017 04:37:13 -67.71, -69.92 135.79 06/17/2017 04:36:02 -67.73, -70.89 135.75 40.84 71
7 06/19/2017 19:12:50 -68.35, 70.42 135.18 06/19/2017 19:13:27 -68.34, 70.42 135.20 1.89 37
8 06/19/2017 20:03:34 68.22,-122.10 44.69 06/19/2017 20:02:54 68.21,-122.08 44.68 1.07 40
9 06/22/2017 10:39:10 68.81, 18.26 45.30 06/22/2017 10:40:21 68.70, 19.11 45.16 36.60 71
10 06/22/2017 11:29:44 -68.31,-173.75 135.23 06/22/2017 11:29:56 -68.32,-173.72 135.21 2.29 12
11 06/22/2017 12:20:28 68.18, -6.28 44.64 06/22/2017 12:19:23 68.20, -6.22 44.67 3.48 65
12 06/25/2017 02:55:56 68.40, 134.59 44.92 06/25/2017 02:56:54 68.40, 134.62 44.91 1.46 58
13 06/25/2017 03:46:37 -68.26, -57.92 135.22 06/25/2017 03:46:25 -68.25, -57.93 135.24 1.86 12
14 06/25/2017 04:37:11 67.60, 110.22 44.10 06/25/2017 04:36:01 67.62, 108.99 44.15 52.25 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/12/2017
SNOs_Map_NPP_TERRA_20170613.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/12/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service