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: 9/8/2013
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 09/10/2013 02:06:17 68.92, 146.37 63.89 09/10/2013 02:07:27 68.85, 147.39 63.81 41.95 70
2 09/10/2013 02:56:50 -68.38, -45.59 116.65 09/10/2013 02:57:04 -68.36, -45.58 116.67 2.20 14
3 09/10/2013 03:47:34 68.23, 121.91 63.21 09/10/2013 03:46:31 68.24, 121.93 63.23 1.88 63
4 09/12/2013 18:23:05 68.44, -97.23 64.43 09/12/2013 18:24:01 68.47, -97.20 64.45 2.66 56
5 09/12/2013 19:13:46 -68.32, 70.25 115.69 09/12/2013 19:13:32 -68.31, 70.24 115.70 1.79 14
6 09/12/2013 20:04:19 67.58,-121.52 63.59 09/12/2013 20:03:09 67.63,-122.91 63.64 59.06 70
7 09/15/2013 10:40:02 68.40, 18.60 65.41 09/15/2013 10:40:30 68.40, 18.60 65.41 0.24 28
8 09/15/2013 11:30:43 -68.27,-173.92 114.71 09/15/2013 11:30:00 -68.30,-173.89 114.68 3.25 43
9 09/18/2013 02:06:18 -68.65, -33.28 113.32 09/18/2013 02:07:29 -68.61, -32.91 113.36 15.76 71
10 09/18/2013 02:56:59 68.35, 134.43 66.40 09/18/2013 02:56:58 68.37, 134.45 66.42 2.51 1
11 09/18/2013 03:47:40 -68.23, -58.09 113.72 09/18/2013 03:46:29 -68.22, -58.10 113.73 0.50 71
12 09/20/2013 18:23:12 -68.45, 82.76 112.49 09/20/2013 18:23:59 -68.46, 82.80 112.47 2.12 47
13 09/20/2013 19:13:56 68.31,-109.75 67.40 09/20/2013 19:13:26 68.34,-109.71 67.42 3.00 30
14 09/20/2013 20:04:20 -67.27, 58.86 113.63 09/20/2013 20:03:13 -67.29, 56.72 113.62 91.57 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/8/2013
SNOs_Map_NPP_TERRA_20130908.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/08/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service