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: 6/28/2017
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 -68.94,-161.89 134.28 06/30/2017 10:40:19 -68.82,-160.74 134.43 48.02 70
2 06/30/2017 11:29:44 68.32, 6.24 45.09 06/30/2017 11:29:53 68.32, 6.29 45.08 2.25 9
3 06/30/2017 12:20:24 -68.15, 173.78 135.09 06/30/2017 12:19:24 -68.16, 173.73 135.08 2.62 60
4 07/03/2017 02:55:54 -68.42, -45.42 134.62 07/03/2017 02:56:55 -68.41, -45.36 134.64 2.60 61
5 07/03/2017 03:46:37 68.24, 122.13 45.20 07/03/2017 03:46:23 68.24, 122.07 45.20 2.13 14
6 07/03/2017 04:37:11 -67.73, -69.92 135.32 07/03/2017 04:35:59 -67.80, -70.80 135.23 38.01 72
7 07/05/2017 19:12:47 -68.33, 70.47 134.47 07/05/2017 19:13:25 -68.33, 70.42 134.47 2.09 38
8 07/05/2017 20:03:31 68.20,-122.06 45.41 07/05/2017 20:02:52 68.21,-122.07 45.42 1.35 39
9 07/08/2017 10:39:07 68.86, 18.22 46.38 07/08/2017 10:40:17 68.74, 19.17 46.22 40.57 70
10 07/08/2017 11:29:40 -68.29,-173.71 134.21 07/08/2017 11:29:53 -68.30,-173.73 134.20 1.49 13
11 07/08/2017 12:20:24 68.17, -6.24 45.67 07/08/2017 12:19:20 68.18, -6.23 45.68 1.45 64
12 07/11/2017 02:55:53 68.41, 134.61 46.24 07/11/2017 02:56:51 68.43, 134.67 46.25 3.48 58
13 07/11/2017 03:46:34 -68.26, -57.89 133.91 07/11/2017 03:46:22 -68.27, -57.88 133.90 1.57 12
14 07/11/2017 04:37:08 67.60, 110.24 45.42 07/11/2017 04:35:58 67.65, 109.03 45.50 51.33 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/28/2017
SNOs_Map_NPP_TERRA_20170629.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/28/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service