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: 7/7/2017
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 07/08/2017 10:39:10 69.02, 18.01 46.54 07/08/2017 10:40:19 68.91, 19.38 46.39 55.85 69
2 07/08/2017 11:29:40 -68.30,-173.71 134.21 07/08/2017 11:29:58 -68.31,-173.74 134.20 1.33 18
3 07/08/2017 12:20:24 68.17, -6.24 45.67 07/08/2017 12:19:25 68.20, -6.23 45.70 3.37 59
4 07/11/2017 02:55:53 68.40, 134.61 46.23 07/11/2017 02:57:01 68.39, 134.59 46.21 2.08 68
5 07/11/2017 03:46:34 -68.27, -57.89 133.90 07/11/2017 03:46:31 -68.28, -57.90 133.89 2.04 3
6 07/11/2017 04:37:14 67.92, 109.85 45.75 07/11/2017 04:36:02 67.95, 109.35 45.79 21.18 72
7 07/13/2017 19:12:47 68.37,-109.57 46.59 07/13/2017 19:13:35 68.38,-109.56 46.59 0.92 48
8 07/13/2017 20:03:28 -68.23, 57.92 133.56 07/13/2017 20:03:06 -68.23, 57.89 133.56 1.70 22
9 07/13/2017 20:53:55 67.19,-133.49 45.39 07/13/2017 20:52:48 67.27,-135.56 45.52 89.43 67
10 07/16/2017 11:29:41 68.35, 6.24 46.98 07/16/2017 11:30:11 68.34, 6.24 46.97 0.80 30
11 07/16/2017 12:20:22 -68.20, 173.74 133.16 07/16/2017 12:19:42 -68.19, 173.70 133.17 2.17 40
12 07/19/2017 02:56:02 -69.07, -46.27 131.80 07/19/2017 02:57:11 -68.94, -44.82 131.98 59.98 69
13 07/19/2017 03:46:34 68.32, 122.04 47.43 07/19/2017 03:46:47 68.32, 122.07 47.42 1.20 13
14 07/19/2017 04:37:15 -68.17, -70.45 132.72 07/19/2017 04:36:18 -68.18, -70.47 132.72 1.12 57

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/7/2017
SNOs_Map_NPP_TERRA_20170708.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/07/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service