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: 4/14/2012
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 04/16/2012 02:55:23 -68.50, -45.66 121.84 04/16/2012 02:56:34 -68.45, -45.40 121.90 11.97 71
2 04/16/2012 03:46:05 68.25, 121.96 57.90 04/16/2012 03:46:03 68.23, 121.98 57.88 2.35 2
3 04/16/2012 04:36:46 -68.13, -70.56 122.24 04/16/2012 04:35:33 -68.13, -70.51 122.24 2.25 73
4 04/18/2012 19:12:14 -68.33, 70.33 122.95 04/18/2012 19:13:08 -68.31, 70.30 122.97 1.77 54
5 04/18/2012 20:02:58 68.19,-122.19 56.90 04/18/2012 20:02:35 68.20,-122.19 56.91 1.33 23
6 04/18/2012 20:53:26 -67.36, 46.14 123.95 04/18/2012 20:52:17 -67.43, 44.56 123.87 67.99 69
7 04/21/2012 11:29:07 -68.26,-173.82 123.93 04/21/2012 11:29:40 -68.27,-173.88 123.93 2.48 33
8 04/21/2012 12:19:52 68.18, -6.41 55.97 04/21/2012 12:19:07 68.15, -6.37 55.95 3.32 45
9 04/24/2012 02:55:26 68.70, 134.06 55.64 04/24/2012 02:56:37 68.59, 134.75 55.51 30.77 71
10 04/24/2012 03:46:01 -68.25, -58.04 124.84 04/24/2012 03:46:11 -68.27, -58.01 124.83 1.91 10
11 04/24/2012 04:36:45 68.12, 109.44 55.02 04/24/2012 04:35:39 68.09, 109.43 54.99 3.09 66
12 04/26/2012 19:12:12 68.32,-109.67 54.38 04/26/2012 19:13:11 68.34,-109.68 54.40 2.49 59
13 04/26/2012 20:02:53 -68.19, 57.81 125.77 04/26/2012 20:02:42 -68.19, 57.77 125.77 1.60 11
14 04/26/2012 20:53:28 67.57,-134.11 53.60 04/26/2012 20:52:17 67.62,-135.24 53.66 48.19 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/14/2012
SNOs_Map_NPP_TERRA_20120414.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/14/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service