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: 6/26/2017
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 06/27/2017 19:12:50 68.32,-109.53 44.94 06/27/2017 19:13:25 68.32,-109.58 44.94 1.98 35
2 06/27/2017 20:03:31 -68.20, 57.94 135.19 06/27/2017 20:02:55 -68.22, 57.93 135.16 2.65 36
3 06/30/2017 10:39:09 -68.95,-161.91 134.27 06/30/2017 10:40:19 -68.81,-160.74 134.43 49.07 70
4 06/30/2017 11:29:43 68.28, 6.29 45.05 06/30/2017 11:29:53 68.31, 6.28 45.07 2.50 10
5 06/30/2017 12:20:24 -68.16, 173.77 135.08 06/30/2017 12:19:24 -68.15, 173.73 135.08 1.93 60
6 07/03/2017 02:55:53 -68.38, -45.37 134.66 07/03/2017 02:56:55 -68.41, -45.36 134.64 3.20 62
7 07/03/2017 03:46:37 68.25, 122.11 45.21 07/03/2017 03:46:23 68.23, 122.07 45.20 2.53 14
8 07/03/2017 04:37:11 -67.74, -69.94 135.31 07/03/2017 04:35:59 -67.80, -70.80 135.23 36.97 72
9 07/05/2017 19:12:47 -68.34, 70.45 134.45 07/05/2017 19:13:25 -68.34, 70.43 134.47 1.42 38
10 07/05/2017 20:03:31 68.22,-122.08 45.43 07/05/2017 20:02:52 68.21,-122.07 45.42 0.86 39
11 07/08/2017 10:39:08 68.88, 18.20 46.39 07/08/2017 10:40:18 68.74, 19.18 46.23 42.37 70
12 07/08/2017 11:29:41 -68.31,-173.73 134.20 07/08/2017 11:29:54 -68.32,-173.71 134.19 0.76 13
13 07/08/2017 12:20:25 68.19, -6.27 45.69 07/08/2017 12:19:21 68.19, -6.22 45.69 2.04 64

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/26/2017
SNOs_Map_NPP_TERRA_20170627.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/26/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service