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: 6/24/2018
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 06/25/2018 11:30:01 -68.92,-174.58 134.55 06/25/2018 11:31:11 -68.83,-173.39 134.66 48.59 70
2 06/25/2018 12:20:36 68.30, -6.45 44.82 06/25/2018 12:20:46 68.27, -6.44 44.79 3.19 10
3 06/25/2018 13:11:17 -68.18, 161.02 135.31 06/25/2018 13:10:16 -68.17, 161.08 135.31 2.30 61
4 06/28/2018 03:46:44 -68.34, -58.04 135.03 06/28/2018 03:47:48 -68.36, -58.09 135.02 3.09 64
5 06/28/2018 04:37:29 68.26, 109.37 44.88 06/28/2018 04:37:15 68.24, 109.41 44.87 2.36 14
6 06/28/2018 05:28:03 -67.76, -82.68 135.63 06/28/2018 05:26:51 -67.81, -83.46 135.56 33.53 72
7 06/30/2018 20:03:39 -68.36, 57.71 134.87 06/30/2018 20:04:18 -68.34, 57.75 134.90 2.91 39
8 06/30/2018 20:54:23 68.22,-134.81 45.00 06/30/2018 20:53:45 68.21,-134.75 44.99 2.63 38
9 07/03/2018 11:30:01 68.94, 5.40 45.93 07/03/2018 11:31:11 68.79, 6.55 45.75 48.98 70
10 07/03/2018 12:20:33 -68.32, 173.54 134.71 07/03/2018 12:20:48 -68.31, 173.59 134.73 2.97 15
11 07/03/2018 13:11:16 68.14, -18.92 45.11 07/03/2018 13:10:16 68.12, -18.98 45.10 3.05 60
12 07/06/2018 03:46:45 68.37, 121.93 45.59 07/06/2018 03:47:48 68.36, 121.90 45.57 1.81 63
13 07/06/2018 04:37:27 -68.29, -70.65 134.49 07/06/2018 04:37:18 -68.27, -70.58 134.52 3.60 9
14 07/06/2018 05:28:03 67.73, 97.36 44.94 07/06/2018 05:26:52 67.75, 96.46 44.98 38.09 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/24/2018
SNOs_Map_NPP_TERRA_20180624.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/24/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service