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: 7/3/2017
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 07/05/2017 19:12:47 -68.38, 70.41 134.41 07/05/2017 19:13:26 -68.38, 70.46 134.43 2.48 39
2 07/05/2017 20:03:30 68.20,-122.05 45.40 07/05/2017 20:02:54 68.21,-122.09 45.42 2.26 36
3 07/08/2017 10:39:10 69.02, 18.01 46.53 07/08/2017 10:40:19 68.89, 19.34 46.37 54.80 69
4 07/08/2017 11:29:41 -68.35,-173.77 134.16 07/08/2017 11:29:57 -68.34,-173.71 134.17 2.83 16
5 07/08/2017 12:20:24 68.16, -6.23 45.66 07/08/2017 12:19:25 68.17, -6.27 45.67 1.43 59
6 07/11/2017 02:55:53 68.40, 134.62 46.23 07/11/2017 02:56:58 68.42, 134.63 46.25 2.94 65
7 07/11/2017 03:46:34 -68.26, -57.88 133.91 07/11/2017 03:46:29 -68.27, -57.92 133.90 1.93 5
8 07/11/2017 04:37:12 67.81, 109.99 45.64 07/11/2017 04:36:01 67.87, 109.26 45.72 31.21 71
9 07/13/2017 19:12:47 68.37,-109.57 46.58 07/13/2017 19:13:30 68.37,-109.56 46.58 0.46 43
10 07/13/2017 20:03:28 -68.23, 57.93 133.56 07/13/2017 20:03:01 -68.22, 57.89 133.57 1.92 27
11 07/16/2017 10:39:14 -69.36,-162.45 131.97 07/16/2017 10:40:21 -69.23,-160.25 132.16 87.61 67
12 07/16/2017 11:29:40 68.34, 6.24 46.98 07/16/2017 11:30:01 68.34, 6.27 46.97 1.53 21
13 07/16/2017 12:20:21 -68.19, 173.75 133.17 07/16/2017 12:19:32 -68.19, 173.72 133.17 1.39 49

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/3/2017
SNOs_Map_NPP_TERRA_20170704.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/03/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service