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: 6/22/2017
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 06/25/2017 02:55:57 68.41, 134.57 44.93 06/25/2017 02:56:55 68.39, 134.61 44.91 2.66 58
2 06/25/2017 03:46:37 -68.23, -57.88 135.25 06/25/2017 03:46:26 -68.24, -57.94 135.25 2.68 11
3 06/25/2017 04:37:12 67.61, 110.21 44.12 06/25/2017 04:36:02 67.61, 108.98 44.14 52.19 70
4 06/27/2017 19:12:50 68.37,-109.60 44.99 06/27/2017 19:13:23 68.35,-109.56 44.97 2.89 33
5 06/27/2017 20:03:30 -68.19, 57.95 135.20 06/27/2017 20:02:54 -68.20, 57.90 135.18 2.56 36
6 06/30/2017 10:39:08 -68.89,-161.82 134.33 06/30/2017 10:40:18 -68.81,-160.75 134.44 43.89 70
7 06/30/2017 11:29:43 68.28, 6.29 45.05 06/30/2017 11:29:52 68.30, 6.26 45.06 2.32 9
8 06/30/2017 12:20:24 -68.15, 173.78 135.09 06/30/2017 12:19:23 -68.15, 173.72 135.08 2.56 61
9 07/03/2017 02:55:54 -68.42, -45.43 134.61 07/03/2017 02:56:53 -68.41, -45.36 134.63 2.95 59
10 07/03/2017 03:46:37 68.24, 122.11 45.21 07/03/2017 03:46:21 68.23, 122.07 45.20 2.34 16
11 07/03/2017 04:37:10 -67.68, -69.86 135.37 07/03/2017 04:35:59 -67.69, -70.93 135.33 45.12 71
12 07/05/2017 19:12:47 -68.33, 70.47 134.46 07/05/2017 19:13:22 -68.33, 70.43 134.47 1.60 35
13 07/05/2017 20:03:31 68.21,-122.07 45.42 07/05/2017 20:02:49 68.21,-122.08 45.42 0.64 42

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/22/2017
SNOs_Map_NPP_TERRA_20170623.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/22/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service