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: 6/30/2018
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 06/30/2018 20:03:39 -68.35, 57.73 134.88 06/30/2018 20:04:18 -68.34, 57.76 134.90 1.47 39
2 06/30/2018 20:54:23 68.20,-134.78 44.98 06/30/2018 20:53:45 68.22,-134.74 44.99 2.43 38
3 07/03/2018 11:30:01 68.91, 5.43 45.91 07/03/2018 11:31:11 68.79, 6.56 45.75 47.36 70
4 07/03/2018 12:20:33 -68.31, 173.56 134.72 07/03/2018 12:20:48 -68.30, 173.59 134.74 1.75 15
5 07/03/2018 13:11:16 68.17, -18.96 45.14 07/03/2018 13:10:14 68.18, -18.91 45.15 2.29 62
6 07/06/2018 03:46:44 68.35, 121.96 45.57 07/06/2018 03:47:47 68.35, 121.89 45.56 2.81 63
7 07/06/2018 04:37:26 -68.27, -70.62 134.51 07/06/2018 04:37:17 -68.25, -70.59 134.53 2.68 9
8 07/06/2018 05:28:02 67.71, 97.39 44.92 07/06/2018 05:26:51 67.73, 96.46 44.97 39.69 71
9 07/08/2018 20:03:38 68.32,-122.22 45.83 07/08/2018 20:04:16 68.35,-122.23 45.85 3.16 38
10 07/08/2018 20:54:19 -68.18, 45.27 134.31 07/08/2018 20:53:47 -68.20, 45.23 134.29 2.10 32
11 07/11/2018 11:30:00 -69.06,-174.74 133.08 07/11/2018 11:31:09 -68.96,-173.23 133.21 61.10 69
12 07/11/2018 12:20:32 68.29, -6.41 46.14 07/11/2018 12:20:46 68.28, -6.43 46.13 1.09 14
13 07/11/2018 13:11:13 -68.15, 161.08 134.00 07/11/2018 13:10:17 -68.13, 161.03 134.01 2.92 56

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/30/2018
SNOs_Map_NPP_TERRA_20180630.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/30/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service