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: 5/6/2013
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 05/07/2013 19:12:40 -68.30, 70.21 128.84 05/07/2013 19:13:30 -68.27, 70.25 128.87 3.28 50
2 05/07/2013 20:03:24 68.15,-122.29 51.01 05/07/2013 20:02:57 68.16,-122.24 51.02 2.45 27
3 05/07/2013 20:53:50 -67.23, 46.16 129.93 05/07/2013 20:52:41 -67.27, 44.38 129.89 76.71 69
4 05/10/2013 10:39:07 69.05, 17.66 51.23 05/10/2013 10:40:15 68.96, 19.36 51.13 68.64 68
5 05/10/2013 11:29:35 -68.24,-173.93 129.61 05/10/2013 11:29:56 -68.24,-173.89 129.61 1.92 21
6 05/10/2013 12:20:19 68.09, -6.44 50.23 05/10/2013 12:19:24 68.07, -6.45 50.21 2.39 55
7 05/13/2013 02:55:49 68.30, 134.44 49.79 05/13/2013 02:56:52 68.29, 134.43 49.77 1.41 63
8 05/13/2013 03:46:30 -68.18, -58.09 130.34 05/13/2013 03:46:22 -68.19, -58.06 130.34 1.30 8
9 05/13/2013 04:37:07 67.66, 109.87 49.12 05/13/2013 04:35:56 67.67, 108.99 49.14 37.21 71
10 05/15/2013 19:12:43 68.26,-109.73 49.10 05/15/2013 19:13:16 68.26,-109.71 49.10 1.09 33
11 05/15/2013 20:03:24 -68.13, 57.75 131.03 05/15/2013 20:02:47 -68.10, 57.74 131.06 3.18 37
12 05/18/2013 10:38:59 -68.62,-161.74 131.13 05/18/2013 10:40:11 -68.50,-161.16 131.25 26.88 72
13 05/18/2013 11:29:38 68.22, 6.10 48.46 05/18/2013 11:29:41 68.21, 6.13 48.45 1.75 3
14 05/18/2013 12:20:18 -68.03, 173.64 131.73 05/18/2013 12:19:12 -68.05, 173.58 131.72 3.28 66

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/6/2013
SNOs_Map_NPP_TERRA_20130506.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/06/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service