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: 7/5/2017
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 20:03:31 68.22,-122.08 45.43 07/05/2017 20:02:54 68.22,-122.08 45.43 0.02 37
2 07/08/2017 10:39:10 68.99, 18.06 46.50 07/08/2017 10:40:19 68.87, 19.32 46.35 52.10 69
3 07/08/2017 11:29:41 -68.32,-173.74 134.19 07/08/2017 11:29:57 -68.32,-173.72 134.19 0.89 16
4 07/08/2017 12:20:25 68.19, -6.26 45.68 07/08/2017 12:19:24 68.21, -6.22 45.71 2.85 61
5 07/11/2017 02:55:53 68.42, 134.59 46.25 07/11/2017 02:56:56 68.42, 134.63 46.24 1.75 63
6 07/11/2017 03:46:34 -68.28, -57.91 133.89 07/11/2017 03:46:27 -68.26, -57.92 133.91 2.01 7
7 07/11/2017 04:37:11 67.78, 110.03 45.60 07/11/2017 04:36:00 67.81, 109.19 45.66 35.23 71
8 07/13/2017 19:12:46 68.33,-109.52 46.55 07/13/2017 19:13:27 68.36,-109.56 46.57 3.24 41
9 07/13/2017 20:03:28 -68.25, 57.91 133.54 07/13/2017 20:02:57 -68.26, 57.96 133.53 2.83 31
10 07/16/2017 10:39:11 -69.22,-162.25 132.12 07/16/2017 10:40:19 -69.10,-160.42 132.30 73.86 68
11 07/16/2017 11:29:40 68.30, 6.29 46.94 07/16/2017 11:29:58 68.31, 6.25 46.94 1.64 18
12 07/16/2017 12:20:22 -68.21, 173.73 133.15 07/16/2017 12:19:28 -68.21, 173.77 133.15 1.81 54
13 07/19/2017 02:55:51 -68.44, -45.42 132.46 07/19/2017 02:57:01 -68.44, -45.36 132.47 2.31 70
14 07/19/2017 03:46:34 68.27, 122.10 47.38 07/19/2017 03:46:29 68.26, 122.07 47.37 1.94 5
15 07/19/2017 04:37:14 -68.07, -70.32 132.83 07/19/2017 04:36:00 -68.11, -70.47 132.78 8.14 74

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/5/2017
SNOs_Map_NPP_TERRA_20170706.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/05/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service