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: 9/17/2013
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 -68.65, -33.28 113.32 09/18/2013 02:07:30 -68.60, -32.93 113.38 15.49 72
2 09/18/2013 02:56:59 68.34, 134.44 66.39 09/18/2013 02:56:59 68.37, 134.45 66.42 3.43 0
3 09/18/2013 03:47:40 -68.23, -58.09 113.72 09/18/2013 03:46:30 -68.21, -58.12 113.74 2.33 70
4 09/20/2013 18:23:11 -68.45, 82.76 112.48 09/20/2013 18:23:59 -68.47, 82.80 112.46 2.67 48
5 09/20/2013 19:13:55 68.31,-109.75 67.39 09/20/2013 19:13:27 68.30,-109.76 67.38 0.85 28
6 09/20/2013 20:04:20 -67.33, 58.79 113.58 09/20/2013 20:03:12 -67.36, 56.79 113.56 85.71 68
7 09/23/2013 09:49:39 69.18, 30.22 69.29 09/23/2013 09:50:48 69.05, 31.78 69.16 63.59 69
8 09/23/2013 10:40:08 -68.42,-161.43 111.48 09/23/2013 10:40:28 -68.39,-161.41 111.50 2.61 20
9 09/23/2013 11:30:52 68.27, 6.07 68.40 09/23/2013 11:29:55 68.27, 6.09 68.40 1.16 57
10 09/26/2013 02:06:23 68.46, 146.97 69.60 09/26/2013 02:07:26 68.46, 146.92 69.60 1.95 63
11 09/26/2013 02:57:05 -68.38, -45.61 110.47 09/26/2013 02:56:56 -68.36, -45.56 110.49 3.01 9
12 09/26/2013 03:47:41 67.81, 122.42 68.99 09/26/2013 03:46:30 67.85, 121.48 69.01 39.63 71
13 09/28/2013 18:23:20 68.43, -97.23 70.62 09/28/2013 18:23:54 68.42, -97.25 70.60 1.84 34
14 09/28/2013 19:14:01 -68.30, 70.27 109.50 09/28/2013 19:13:24 -68.32, 70.27 109.49 2.56 37

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/17/2013
SNOs_Map_NPP_TERRA_20130917.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/17/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service