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: 4/18/2014
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 04/19/2014 07:21:36 -68.83,-111.36 122.46 04/19/2014 07:22:37 -68.84,-111.36 122.45 1.37 61
2 04/19/2014 08:12:20 68.69, 56.14 57.39 04/19/2014 08:12:05 68.68, 56.09 57.38 2.27 15
3 04/19/2014 09:02:53 -68.13,-135.81 123.19 04/19/2014 09:01:42 -68.17,-136.89 123.14 44.93 71
4 04/21/2014 23:38:36 -68.80, 4.44 123.40 04/21/2014 23:39:04 -68.79, 4.48 123.42 1.99 28
5 04/22/2014 00:29:20 68.66, 171.94 56.45 04/22/2014 00:28:31 68.68, 171.98 56.46 2.71 49
6 04/24/2014 15:04:54 68.87, -47.20 55.78 04/24/2014 15:06:00 68.87, -47.16 55.79 1.91 66
7 04/24/2014 15:55:35 -68.74, 120.30 124.36 04/24/2014 15:55:31 -68.71, 120.27 124.39 3.04 4
8 04/24/2014 16:46:13 68.33, -71.86 55.22 04/24/2014 16:45:01 68.37, -72.50 55.26 26.79 72
9 04/27/2014 07:21:52 68.81, 68.65 54.86 04/27/2014 07:22:25 68.81, 68.67 54.86 0.92 33
10 04/27/2014 08:12:33 -68.68,-123.85 125.29 04/27/2014 08:11:56 -68.65,-123.90 125.31 3.26 37
11 04/29/2014 22:48:10 -69.05, 16.77 125.73 04/29/2014 22:49:21 -69.01, 17.17 125.77 16.58 71
12 04/29/2014 23:38:51 68.76,-175.52 53.97 04/29/2014 23:38:50 68.78,-175.48 53.99 2.39 1
13 04/30/2014 00:29:32 -68.63, -8.02 126.18 04/30/2014 00:28:21 -68.62, -8.04 126.19 1.26 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/18/2014
SNOs_Map_NPP_TERRA_20140418.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/18/2014 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service