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: 6/15/2017
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 06/17/2017 02:55:55 -68.36, -45.37 135.12 06/17/2017 02:56:57 -68.37, -45.42 135.12 2.34 62
2 06/17/2017 03:46:40 68.27, 122.05 44.79 06/17/2017 03:46:24 68.26, 122.10 44.78 2.13 16
3 06/17/2017 04:37:12 -67.67, -69.87 135.83 06/17/2017 04:36:01 -67.77, -70.85 135.72 42.67 71
4 06/19/2017 19:12:50 -68.37, 70.40 135.17 06/19/2017 19:13:26 -68.36, 70.45 135.17 2.28 36
5 06/19/2017 20:03:33 68.18,-122.05 44.64 06/19/2017 20:02:54 68.19,-122.11 44.66 3.15 39
6 06/22/2017 10:39:10 68.83, 18.25 45.31 06/22/2017 10:40:20 68.73, 19.14 45.19 37.81 70
7 06/22/2017 11:29:43 -68.27,-173.70 135.26 06/22/2017 11:29:56 -68.29,-173.76 135.25 3.23 13
8 06/22/2017 12:20:28 68.19, -6.29 44.66 06/22/2017 12:19:23 68.17, -6.25 44.64 2.44 65
9 06/25/2017 02:55:56 68.36, 134.64 44.88 06/25/2017 02:56:55 68.36, 134.58 44.88 2.63 59
10 06/25/2017 03:46:38 -68.28, -57.94 135.20 06/25/2017 03:46:25 -68.26, -57.91 135.22 2.49 13
11 06/25/2017 04:37:11 67.55, 110.27 44.06 06/25/2017 04:36:01 67.63, 109.01 44.17 54.21 70
12 06/27/2017 19:12:49 68.32,-109.54 44.94 06/27/2017 19:13:23 68.32,-109.59 44.94 2.11 34
13 06/27/2017 20:03:31 -68.24, 57.89 135.14 06/27/2017 20:02:53 -68.22, 57.93 135.16 2.57 38

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/15/2017
SNOs_Map_NPP_TERRA_20170616.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/15/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service