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: 6/13/2017
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,-160.80 134.62 43.07 71
2 06/14/2017 11:29:45 68.26, 6.30 44.87 06/14/2017 11:29:55 68.28, 6.23 44.88 3.45 10
3 06/14/2017 12:20:27 -68.19, 173.70 135.20 06/14/2017 12:19:25 -68.17, 173.74 135.22 2.76 62
4 06/17/2017 02:55:56 -68.40, -45.42 135.08 06/17/2017 02:56:57 -68.39, -45.40 135.10 2.04 61
5 06/17/2017 03:46:40 68.26, 122.07 44.78 06/17/2017 03:46:24 68.27, 122.10 44.78 1.66 16
6 06/17/2017 04:37:13 -67.71, -69.92 135.79 06/17/2017 04:36:01 -67.78, -70.84 135.71 39.28 72
7 06/19/2017 19:12:50 -68.35, 70.42 135.18 06/19/2017 19:13:26 -68.37, 70.46 135.17 2.85 36
8 06/19/2017 20:03:34 68.22,-122.10 44.68 06/19/2017 20:02:54 68.20,-122.10 44.66 2.42 40
9 06/22/2017 10:39:10 68.81, 18.26 45.30 06/22/2017 10:40:21 68.67, 19.07 45.13 36.44 71
10 06/22/2017 11:29:44 -68.31,-173.75 135.23 06/22/2017 11:29:56 -68.29,-173.75 135.24 1.53 12
11 06/22/2017 12:20:28 68.17, -6.27 44.64 06/22/2017 12:19:23 68.17, -6.25 44.64 1.02 65
12 06/25/2017 02:55:56 68.40, 134.59 44.92 06/25/2017 02:56:53 68.41, 134.64 44.93 2.48 57
13 06/25/2017 03:46:37 -68.26, -57.92 135.22 06/25/2017 03:46:24 -68.26, -57.91 135.23 0.43 13
14 06/25/2017 04:37:10 67.54, 110.29 44.05 06/25/2017 04:36:00 67.63, 109.00 44.16 55.38 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/13/2017
SNOs_Map_NPP_TERRA_20170614.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/13/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service