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: 6/29/2017
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 06/30/2017 10:39:09 -68.93,-161.88 134.29 06/30/2017 10:40:19 -68.83,-160.73 134.42 47.36 70
2 06/30/2017 11:29:44 68.31, 6.25 45.08 06/30/2017 11:29:53 68.33, 6.30 45.09 2.71 9
3 06/30/2017 12:20:25 -68.19, 173.73 135.05 06/30/2017 12:19:24 -68.17, 173.74 135.07 2.38 61
4 07/03/2017 02:55:54 -68.41, -45.41 134.63 07/03/2017 02:56:55 -68.42, -45.36 134.63 2.25 61
5 07/03/2017 03:46:37 68.22, 122.14 45.19 07/03/2017 03:46:23 68.25, 122.08 45.21 3.46 14
6 07/03/2017 04:37:11 -67.72, -69.91 135.33 07/03/2017 04:36:00 -67.75, -70.86 135.27 40.29 71
7 07/05/2017 19:12:46 -68.32, 70.49 134.48 07/05/2017 19:13:24 -68.33, 70.42 134.47 3.03 38
8 07/05/2017 20:03:30 68.19,-122.04 45.40 07/05/2017 20:02:51 68.21,-122.07 45.42 2.91 39
9 07/08/2017 10:39:07 68.85, 18.24 46.36 07/08/2017 10:40:17 68.73, 19.16 46.21 39.37 70
10 07/08/2017 11:29:40 -68.28,-173.69 134.22 07/08/2017 11:29:53 -68.30,-173.74 134.21 2.47 13
11 07/08/2017 12:20:24 68.16, -6.23 45.66 07/08/2017 12:19:20 68.18, -6.24 45.68 1.89 64
12 07/11/2017 02:55:53 68.39, 134.62 46.22 07/11/2017 02:56:51 68.41, 134.65 46.23 1.96 58
13 07/11/2017 03:46:34 -68.25, -57.87 133.92 07/11/2017 03:46:22 -68.25, -57.91 133.92 1.57 12
14 07/11/2017 04:37:08 67.59, 110.26 45.41 07/11/2017 04:35:58 67.63, 109.01 45.48 52.93 70
15 07/13/2017 19:12:47 68.36,-109.56 46.58 07/13/2017 19:13:20 68.36,-109.53 46.57 1.52 33
16 07/13/2017 20:03:28 -68.22, 57.94 133.57 07/13/2017 20:02:51 -68.21, 57.92 133.58 1.38 37

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/29/2017
SNOs_Map_NPP_TERRA_20170630.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/29/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service