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: 3/2/2013
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 03/04/2013 19:12:06 -69.24, 69.04 104.61 03/04/2013 19:13:13 -69.12, 71.29 104.81 89.94 67
2 03/04/2013 20:02:32 68.16,-122.21 74.25 03/04/2013 20:02:55 68.18,-122.23 74.27 2.39 23
3 03/04/2013 20:53:14 -68.07, 45.23 105.87 03/04/2013 20:52:25 -68.08, 45.28 105.85 2.29 49
4 03/07/2013 11:28:49 -68.42,-174.08 106.52 03/07/2013 11:30:01 -68.37,-173.79 106.58 12.92 72
5 03/07/2013 12:19:30 68.14, -6.42 73.18 03/07/2013 12:19:30 68.15, -6.41 73.20 1.62 0
6 03/07/2013 13:10:11 -67.99, 161.09 106.99 03/07/2013 13:09:01 -68.00, 161.04 106.97 2.28 70
7 03/10/2013 03:45:44 -68.23, -58.08 107.76 03/10/2013 03:46:39 -68.24, -58.09 107.76 1.20 55
8 03/10/2013 04:36:28 68.12, 109.37 72.11 03/10/2013 04:36:06 68.13, 109.42 72.13 2.52 22
9 03/10/2013 05:26:57 -67.32, -82.33 108.73 03/10/2013 05:25:48 -67.37, -83.82 108.63 63.99 69
10 03/12/2013 20:02:42 -68.22, 57.70 108.83 03/12/2013 20:03:16 -68.23, 57.74 108.83 2.43 34
11 03/12/2013 20:53:25 68.05,-134.78 70.99 03/12/2013 20:52:44 68.06,-134.81 71.00 1.62 41
12 03/15/2013 11:29:06 68.79, 5.39 70.72 03/15/2013 11:30:16 68.71, 6.53 70.59 47.19 70
13 03/15/2013 12:19:38 -68.15, 173.55 109.96 03/15/2013 12:19:54 -68.17, 173.51 109.95 2.45 16
14 03/15/2013 13:10:22 68.04, -19.01 69.92 03/15/2013 13:09:21 68.05, -18.98 69.93 1.69 61

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/2/2013
SNOs_Map_NPP_TERRA_20130302.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/02/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service