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: 6/25/2017
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 06/27/2017 19:12:50 68.34,-109.56 44.96 06/27/2017 19:13:24 68.35,-109.55 44.97 1.36 34
2 06/27/2017 20:03:31 -68.22, 57.92 135.17 06/27/2017 20:02:55 -68.20, 57.90 135.19 2.36 36
3 06/30/2017 10:39:09 -68.92,-161.86 134.30 06/30/2017 10:40:19 -68.83,-160.72 134.41 46.39 70
4 06/30/2017 11:29:44 68.30, 6.26 45.07 06/30/2017 11:29:53 68.32, 6.30 45.09 2.72 9
5 06/30/2017 12:20:25 -68.17, 173.75 135.06 06/30/2017 12:19:24 -68.17, 173.75 135.06 0.34 61
6 07/03/2017 02:55:53 -68.39, -45.39 134.64 07/03/2017 02:56:54 -68.41, -45.36 134.63 2.27 61
7 07/03/2017 03:46:37 68.27, 122.08 45.23 07/03/2017 03:46:21 68.29, 122.14 45.25 3.29 16
8 07/03/2017 04:37:10 -67.70, -69.89 135.35 07/03/2017 04:35:59 -67.75, -70.87 135.28 41.43 71
9 07/05/2017 19:12:47 -68.35, 70.44 134.44 07/05/2017 19:13:23 -68.37, 70.47 134.43 2.43 36
10 07/05/2017 20:03:31 68.23,-122.10 45.44 07/05/2017 20:02:50 68.25,-122.03 45.46 3.19 41
11 07/08/2017 10:39:06 68.78, 18.33 46.29 07/08/2017 10:40:17 68.70, 19.12 46.18 33.32 71
12 07/08/2017 11:29:41 -68.32,-173.74 134.19 07/08/2017 11:29:52 -68.33,-173.70 134.18 1.82 11
13 07/08/2017 12:20:24 68.14, -6.21 45.64 07/08/2017 12:19:20 68.14, -6.27 45.65 2.60 64

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/25/2017
SNOs_Map_NPP_TERRA_20170626.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/25/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service