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: 2/7/2013
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 02/08/2013 20:02:04 -68.23, 57.81 97.07 02/08/2013 20:02:42 -68.22, 57.85 97.08 2.18 38
2 02/08/2013 20:52:47 68.04,-134.65 82.74 02/08/2013 20:52:10 68.05,-134.70 82.75 2.04 37
3 02/11/2013 11:28:25 68.55, 5.82 82.42 02/11/2013 11:29:37 68.45, 6.38 82.29 25.85 72
4 02/11/2013 12:19:01 -68.14, 173.67 98.02 02/11/2013 12:19:11 -68.12, 173.62 98.05 3.36 10
5 02/11/2013 13:09:45 68.02, -18.86 81.84 02/11/2013 13:08:38 68.00, -18.87 81.83 1.66 67
6 02/14/2013 03:45:17 68.21, 122.03 81.16 02/14/2013 03:46:08 68.22, 122.00 81.17 1.96 51
7 02/14/2013 04:35:59 -68.12, -70.53 98.95 02/14/2013 04:35:38 -68.12, -70.49 98.95 1.84 21
8 02/14/2013 05:26:27 67.13, 97.97 80.02 02/14/2013 05:25:19 67.21, 96.13 80.18 80.17 68
9 02/16/2013 19:11:47 -69.16, 69.22 98.76 02/16/2013 19:12:55 -69.05, 71.27 98.95 82.25 68
10 02/16/2013 20:02:15 68.19,-122.18 80.22 02/16/2013 20:02:35 68.21,-122.13 80.23 3.18 20
11 02/16/2013 20:52:55 -68.04, 45.33 99.96 02/16/2013 20:52:05 -68.05, 45.32 99.94 1.67 50
12 02/19/2013 11:28:27 -68.23,-173.78 100.68 02/19/2013 11:29:35 -68.25,-173.84 100.67 3.39 68
13 02/19/2013 12:19:11 68.11, -6.33 79.19 02/19/2013 12:19:02 68.13, -6.34 79.20 1.30 9
14 02/19/2013 13:09:48 -67.74, 161.45 101.21 02/19/2013 13:08:36 -67.80, 160.92 101.13 23.25 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/7/2013
SNOs_Map_NPP_TERRA_20130207.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/07/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service