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: 2/10/2013
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 02/11/2013 11:28:26 68.60, 5.76 82.47 02/11/2013 11:29:37 68.47, 6.41 82.30 29.91 71
2 02/11/2013 12:19:01 -68.14, 173.68 98.03 02/11/2013 12:19:11 -68.13, 173.64 98.04 1.70 10
3 02/11/2013 13:09:45 68.01, -18.85 81.83 02/11/2013 13:08:38 68.02, -18.85 81.85 1.76 67
4 02/14/2013 03:45:18 68.24, 121.99 81.20 02/14/2013 03:46:08 68.24, 122.03 81.19 1.52 50
5 02/14/2013 04:35:58 -68.10, -70.51 98.97 02/14/2013 04:35:38 -68.08, -70.53 98.99 2.12 20
6 02/14/2013 05:26:27 67.16, 97.94 80.05 02/14/2013 05:25:19 67.18, 96.09 80.14 79.70 68
7 02/16/2013 19:11:47 -69.17, 69.19 98.75 02/16/2013 19:12:54 -69.07, 71.29 98.93 83.98 67
8 02/16/2013 20:02:15 68.20,-122.20 80.23 02/16/2013 20:02:35 68.17,-122.17 80.20 2.85 20
9 02/16/2013 20:52:56 -68.05, 45.31 99.94 02/16/2013 20:52:05 -68.07, 45.34 99.92 2.62 51
10 02/19/2013 11:28:29 -68.27,-173.83 100.64 02/19/2013 11:29:35 -68.27,-173.81 100.65 1.04 66
11 02/19/2013 12:19:12 68.10, -6.31 79.17 02/19/2013 12:19:03 68.09, -6.37 79.17 2.70 9
12 02/19/2013 13:09:49 -67.73, 161.47 101.23 02/19/2013 13:08:37 -67.77, 160.88 101.16 25.01 72
13 02/22/2013 03:45:27 -68.21, -58.00 101.67 02/22/2013 03:46:03 -68.18, -58.03 101.71 3.19 36
14 02/22/2013 04:36:10 68.04, 109.52 78.15 02/22/2013 04:35:30 68.06, 109.47 78.17 2.75 40

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/10/2013
SNOs_Map_NPP_TERRA_20130211.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/10/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service