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: 5/29/2017
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 06/01/2017 02:55:57 -68.38, -45.40 133.80 06/01/2017 02:56:57 -68.39, -45.40 133.80 1.30 60
2 06/01/2017 03:46:41 68.24, 122.08 46.05 06/01/2017 03:46:25 68.22, 122.05 46.04 2.03 16
3 06/01/2017 04:37:13 -67.63, -69.84 134.57 06/01/2017 04:36:02 -67.73, -70.90 134.46 45.96 71
4 06/03/2017 19:12:51 -68.32, 70.45 134.20 06/03/2017 19:13:29 -68.33, 70.41 134.19 2.51 38
5 06/03/2017 20:03:36 68.23,-122.14 45.71 06/03/2017 20:02:56 68.22,-122.08 45.70 2.58 40
6 06/06/2017 10:39:14 68.92, 18.10 46.13 06/06/2017 10:40:24 68.80, 19.21 45.99 46.92 70
7 06/06/2017 11:29:46 -68.31,-173.77 134.50 06/06/2017 11:30:01 -68.31,-173.75 134.50 0.93 15
8 06/06/2017 12:20:30 68.18, -6.29 45.37 06/06/2017 12:19:28 68.19, -6.25 45.38 2.67 62
9 06/09/2017 02:55:58 68.39, 134.58 45.34 06/09/2017 02:57:02 68.41, 134.60 45.36 2.82 64
10 06/09/2017 03:46:39 -68.26, -57.93 134.80 06/09/2017 03:46:33 -68.26, -57.95 134.79 0.69 6
11 06/09/2017 04:37:17 67.80, 109.95 44.74 06/09/2017 04:36:05 67.86, 109.23 44.81 30.92 72
12 06/11/2017 19:12:52 68.34,-109.58 45.10 06/11/2017 19:13:36 68.34,-109.62 45.09 1.82 44
13 06/11/2017 20:03:34 -68.26, 57.84 134.99 06/11/2017 20:03:06 -68.24, 57.90 135.01 2.93 28

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/29/2017
SNOs_Map_NPP_TERRA_20170530.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/29/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service