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: 6/14/2017
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 02:55:56 -68.41, -45.42 135.08 06/17/2017 02:56:57 -68.39, -45.40 135.10 2.00 61
2 06/17/2017 03:46:40 68.26, 122.06 44.78 06/17/2017 03:46:24 68.28, 122.11 44.79 2.42 16
3 06/17/2017 04:37:13 -67.71, -69.93 135.79 06/17/2017 04:36:02 -67.73, -70.90 135.76 41.12 71
4 06/19/2017 19:12:50 -68.36, 70.41 135.18 06/19/2017 19:13:27 -68.33, 70.41 135.21 2.99 37
5 06/19/2017 20:03:34 68.22,-122.10 44.69 06/19/2017 20:02:54 68.21,-122.09 44.68 0.99 40
6 06/22/2017 10:39:10 68.82, 18.26 45.30 06/22/2017 10:40:21 68.70, 19.11 45.16 36.45 71
7 06/22/2017 11:29:44 -68.31,-173.75 135.22 06/22/2017 11:29:56 -68.32,-173.73 135.22 1.43 12
8 06/22/2017 12:20:28 68.18, -6.27 44.64 06/22/2017 12:19:23 68.20, -6.22 44.67 3.30 65
9 06/25/2017 02:55:56 68.40, 134.59 44.92 06/25/2017 02:56:54 68.40, 134.62 44.91 1.27 58
10 06/25/2017 03:46:37 -68.27, -57.92 135.22 06/25/2017 03:46:25 -68.24, -57.93 135.24 2.58 12
11 06/25/2017 04:37:11 67.60, 110.22 44.10 06/25/2017 04:36:01 67.62, 108.98 44.15 52.43 70
12 06/27/2017 19:12:50 68.36,-109.59 44.98 06/27/2017 19:13:23 68.37,-109.54 44.98 2.32 33
13 06/27/2017 20:03:31 -68.22, 57.91 135.16 06/27/2017 20:02:54 -68.22, 57.92 135.17 0.86 37

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/14/2017
SNOs_Map_NPP_TERRA_20170615.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/14/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service