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 48.57 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 3.13 10
3 06/25/2018 13:11:17 -68.18, 161.03 135.31 06/25/2018 13:10:16 -68.17, 161.08 135.31 2.34 61
4 06/28/2018 03:46:44 -68.34, -58.04 135.04 06/28/2018 03:47:48 -68.36, -58.10 135.03 2.94 64
5 06/28/2018 04:37:29 68.26, 109.38 44.88 06/28/2018 04:37:15 68.24, 109.41 44.86 2.40 14
6 06/28/2018 05:28:03 -67.76, -82.68 135.63 06/28/2018 05:26:51 -67.80, -83.47 135.57 33.72 72
7 06/30/2018 20:03:38 -68.30, 57.79 134.93 06/30/2018 20:04:18 -68.32, 57.74 134.91 3.19 40
8 06/30/2018 20:54:23 68.22,-134.80 45.00 06/30/2018 20:53:45 68.20,-134.76 44.98 2.61 38
9 07/03/2018 11:30:01 68.93, 5.41 45.92 07/03/2018 11:31:10 68.83, 6.60 45.79 49.20 69
10 07/03/2018 12:20:32 -68.26, 173.61 134.77 07/03/2018 12:20:48 -68.29, 173.57 134.75 2.97 16
11 07/03/2018 13:11:16 68.13, -18.91 45.10 07/03/2018 13:10:15 68.16, -18.93 45.14 3.34 61
12 07/06/2018 03:46:45 68.36, 121.94 45.58 07/06/2018 03:47:47 68.39, 121.94 45.60 2.94 62
13 07/06/2018 04:37:26 -68.23, -70.57 134.56 07/06/2018 04:37:18 -68.24, -70.61 134.54 2.18 8
14 07/06/2018 05:28:01 67.67, 97.44 44.88 07/06/2018 05:26:51 67.72, 96.44 44.96 42.87 70
15 07/08/2018 20:03:38 68.33,-122.24 45.84 07/08/2018 20:04:16 68.34,-122.25 45.84 0.47 38

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/24/2018
SNOs_Map_NPP_TERRA_20180625.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