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: 5/30/2017
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, -45.41 133.80 06/01/2017 02:56:56 -68.40, -45.38 133.78 2.06 59
2 06/01/2017 03:46:41 68.24, 122.07 46.06 06/01/2017 03:46:24 68.23, 122.06 46.05 1.13 17
3 06/01/2017 04:37:13 -67.64, -69.85 134.56 06/01/2017 04:36:02 -67.68, -70.95 134.51 46.57 71
4 06/03/2017 19:12:51 -68.33, 70.44 134.19 06/03/2017 19:13:27 -68.34, 70.42 134.18 1.49 36
5 06/03/2017 20:03:35 68.19,-122.08 45.66 06/03/2017 20:02:55 68.17,-122.14 45.65 3.10 40
6 06/06/2017 10:39:12 68.82, 18.23 46.03 06/06/2017 10:40:22 68.71, 19.12 45.91 37.99 70
7 06/06/2017 11:29:45 -68.27,-173.72 134.54 06/06/2017 11:29:58 -68.28,-173.78 134.53 2.63 13
8 06/06/2017 12:20:30 68.19, -6.30 45.37 06/06/2017 12:19:25 68.16, -6.27 45.35 2.98 65
9 06/09/2017 02:55:58 68.40, 134.57 45.35 06/09/2017 02:56:57 68.38, 134.59 45.33 2.34 59
10 06/09/2017 03:46:39 -68.27, -57.94 134.78 06/09/2017 03:46:27 -68.28, -57.90 134.78 2.11 12
11 06/09/2017 04:37:13 67.59, 110.20 44.53 06/09/2017 04:36:03 67.65, 109.02 44.61 50.59 70
12 06/11/2017 19:12:52 68.35,-109.59 45.11 06/11/2017 19:13:28 68.32,-109.61 45.08 3.08 36
13 06/11/2017 20:03:33 -68.22, 57.89 135.03 06/11/2017 20:02:58 -68.23, 57.91 135.02 1.15 35

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/30/2017
SNOs_Map_NPP_TERRA_20170531.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/30/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service