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: 6/19/2017
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 06/19/2017 19:12:50 -68.36, 70.41 135.18 06/19/2017 19:13:27 -68.34, 70.42 135.20 1.89 37
2 06/19/2017 20:03:34 68.21,-122.09 44.68 06/19/2017 20:02:54 68.22,-122.08 44.69 1.44 40
3 06/22/2017 10:39:10 68.81, 18.27 45.29 06/22/2017 10:40:21 68.71, 19.12 45.17 35.72 71
4 06/22/2017 11:29:44 -68.31,-173.75 135.22 06/22/2017 11:29:56 -68.33,-173.72 135.21 2.67 12
5 06/22/2017 12:20:28 68.17, -6.27 44.64 06/22/2017 12:19:24 68.16, -6.28 44.62 1.66 64
6 06/25/2017 02:55:56 68.39, 134.60 44.91 06/25/2017 02:56:54 68.41, 134.63 44.93 2.50 58
7 06/25/2017 03:46:37 -68.26, -57.92 135.22 06/25/2017 03:46:25 -68.26, -57.92 135.23 0.84 12
8 06/25/2017 04:37:11 67.59, 110.23 44.10 06/25/2017 04:36:01 67.63, 108.99 44.16 52.63 70
9 06/27/2017 19:12:50 68.35,-109.57 44.97 06/27/2017 19:13:24 68.33,-109.59 44.94 2.80 34
10 06/27/2017 20:03:31 -68.22, 57.91 135.17 06/27/2017 20:02:54 -68.23, 57.93 135.15 1.34 37
11 06/30/2017 10:39:09 -68.92,-161.86 134.30 06/30/2017 10:40:19 -68.80,-160.77 134.44 45.60 70
12 06/30/2017 11:29:44 68.31, 6.25 45.08 06/30/2017 11:29:53 68.29, 6.25 45.06 2.43 9
13 06/30/2017 12:20:25 -68.18, 173.74 135.06 06/30/2017 12:19:23 -68.20, 173.77 135.04 2.42 62
14 07/03/2017 02:55:54 -68.40, -45.39 134.64 07/03/2017 02:56:55 -68.37, -45.42 134.67 2.83 61
15 07/03/2017 03:46:38 68.28, 122.07 45.24 07/03/2017 03:46:22 68.25, 122.08 45.21 3.19 16
16 07/03/2017 04:37:10 -67.65, -69.83 135.40 07/03/2017 04:36:00 -67.71, -70.92 135.32 46.58 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/19/2017
SNOs_Map_NPP_TERRA_20170620.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/19/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service