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: 10/11/2012
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 10/14/2012 11:27:56 -68.89,-174.52 102.83 10/14/2012 11:29:05 -68.78,-173.19 102.92 54.71 69
2 10/14/2012 12:18:29 68.17, -6.27 76.47 10/14/2012 12:18:41 68.17, -6.29 76.47 0.81 12
3 10/14/2012 13:09:11 -68.08, 161.17 103.61 10/14/2012 13:08:11 -68.06, 161.22 103.63 2.92 60
4 10/17/2012 03:44:50 -68.28, -57.98 102.45 10/17/2012 03:45:42 -68.27, -57.93 102.46 2.40 52
5 10/17/2012 04:35:33 68.10, 109.55 77.38 10/17/2012 04:35:10 68.10, 109.51 77.39 1.80 23
6 10/17/2012 05:26:01 -67.24, -82.09 103.45 10/17/2012 05:24:52 -67.33, -83.74 103.40 71.34 69
7 10/19/2012 19:11:25 68.77,-110.24 79.00 10/19/2012 19:12:35 68.63,-109.24 78.87 43.25 70
8 10/19/2012 20:01:58 -68.18, 57.85 101.58 10/19/2012 20:02:11 -68.19, 57.86 101.57 0.89 13
9 10/19/2012 20:52:42 68.05,-134.68 78.31 10/19/2012 20:51:38 68.07,-134.64 78.32 2.78 64
10 10/22/2012 11:28:28 68.23, 6.16 79.41 10/22/2012 11:29:08 68.25, 6.18 79.43 1.80 40
11 10/22/2012 12:19:09 -68.07, 173.68 100.74 10/22/2012 12:18:39 -68.09, 173.62 100.72 3.47 30
12 10/25/2012 02:55:01 -68.28, -45.54 99.62 10/25/2012 02:56:09 -68.30, -45.51 99.60 2.56 68
13 10/25/2012 03:45:45 68.15, 121.93 80.27 10/25/2012 03:45:37 68.12, 121.92 80.24 3.36 8
14 10/25/2012 04:36:23 -67.82, -70.34 100.05 10/25/2012 04:35:10 -67.86, -70.76 100.03 17.84 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/11/2012
SNOs_Map_NPP_TERRA_20121012.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/11/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service