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: 4/14/2013
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 04/16/2013 11:29:25 68.25, 6.04 57.87 04/16/2013 11:30:13 68.25, 6.05 57.87 0.90 48
2 04/16/2013 12:20:06 -68.12, 173.52 122.28 04/16/2013 12:19:43 -68.14, 173.55 122.25 2.85 23
3 04/16/2013 13:10:33 67.06, -17.88 56.64 04/16/2013 13:09:26 67.14, -19.94 56.74 89.58 67
4 04/19/2013 02:55:54 -69.24, -46.84 122.04 04/19/2013 02:57:01 -69.10, -44.66 122.22 87.47 67
5 04/19/2013 03:46:21 68.20, 121.87 56.88 04/19/2013 03:46:42 68.21, 121.88 56.89 0.91 21
6 04/19/2013 04:37:02 -68.07, -70.65 123.26 04/19/2013 04:36:12 -68.10, -70.61 123.23 3.35 50
7 04/21/2013 19:12:32 -68.30, 70.21 123.93 04/21/2013 19:13:42 -68.31, 70.24 123.91 2.31 70
8 04/21/2013 20:03:16 68.16,-122.30 55.93 04/21/2013 20:03:10 68.14,-122.32 55.91 2.03 6
9 04/21/2013 20:53:55 -67.92, 45.31 124.33 04/21/2013 20:52:41 -67.98, 45.13 124.27 9.94 74
10 04/24/2013 11:29:28 -68.26,-173.97 124.86 04/24/2013 11:30:11 -68.23,-173.97 124.89 3.26 43
11 04/24/2013 12:20:12 68.12, -6.49 55.00 04/24/2013 12:19:38 68.11, -6.47 54.98 1.78 34
12 04/27/2013 02:55:52 68.84, 133.71 54.89 04/27/2013 02:57:01 68.73, 134.89 54.76 49.19 69
13 04/27/2013 03:46:23 -68.18, -58.09 125.81 04/27/2013 03:46:39 -68.18, -58.14 125.80 2.12 16
14 04/27/2013 04:37:07 68.04, 109.39 54.05 04/27/2013 04:36:06 68.06, 109.36 54.07 2.32 61

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/14/2013
SNOs_Map_NPP_TERRA_20130415.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/14/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service