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: 9/16/2013
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 09/18/2013 02:06:18 -68.67, -33.30 113.30 09/18/2013 02:07:29 -68.63, -32.88 113.34 17.41 71
2 09/18/2013 02:56:59 68.36, 134.41 66.41 09/18/2013 02:56:59 68.36, 134.42 66.40 0.89 0
3 09/18/2013 03:47:40 -68.25, -58.11 113.70 09/18/2013 03:46:29 -68.25, -58.07 113.70 1.81 71
4 09/20/2013 18:23:12 -68.47, 82.73 112.46 09/20/2013 18:24:00 -68.45, 82.78 112.48 3.11 48
5 09/20/2013 19:13:56 68.33,-109.77 67.41 09/20/2013 19:13:27 68.33,-109.72 67.42 2.37 29
6 09/20/2013 20:04:20 -67.29, 58.83 113.61 09/20/2013 20:03:13 -67.34, 56.77 113.58 88.54 67
7 09/23/2013 09:49:39 69.21, 30.18 69.31 09/23/2013 09:50:47 69.08, 31.82 69.19 66.23 68
8 09/23/2013 10:40:07 -68.39,-161.39 111.50 09/23/2013 10:40:28 -68.37,-161.44 111.53 3.08 21
9 09/23/2013 11:30:51 68.25, 6.10 68.37 09/23/2013 11:29:55 68.25, 6.06 68.37 1.68 56
10 09/26/2013 02:06:23 68.49, 146.93 69.63 09/26/2013 02:07:25 68.48, 146.95 69.63 1.13 62
11 09/26/2013 02:57:04 -68.36, -45.58 110.49 09/26/2013 02:56:56 -68.33, -45.60 110.52 3.42 8
12 09/26/2013 03:47:40 67.79, 122.44 68.97 09/26/2013 03:46:29 67.87, 121.50 69.03 40.50 71
13 09/28/2013 18:23:19 68.42, -97.20 70.60 09/28/2013 18:23:53 68.43, -97.23 70.62 1.77 34
14 09/28/2013 19:14:00 -68.28, 70.29 109.52 09/28/2013 19:13:24 -68.28, 70.22 109.53 2.73 36

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/16/2013
SNOs_Map_NPP_TERRA_20130916.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/16/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service