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: 7/8/2013
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 07/10/2013 19:12:36 -68.34, 70.35 133.88 07/10/2013 19:13:23 -68.32, 70.34 133.90 1.79 47
2 07/10/2013 20:03:20 68.22,-122.20 46.01 07/10/2013 20:02:50 68.20,-122.16 45.99 2.79 30
3 07/10/2013 20:53:44 -67.16, 46.42 135.08 07/10/2013 20:52:36 -67.21, 44.34 134.98 89.83 68
4 07/13/2013 10:39:01 69.13, 17.75 47.31 07/13/2013 10:40:09 69.01, 19.45 47.15 68.60 68
5 07/13/2013 11:29:29 -68.28,-173.79 133.57 07/13/2013 11:29:50 -68.30,-173.80 133.55 1.94 21
6 07/13/2013 12:20:13 68.17, -6.34 46.33 07/13/2013 12:19:17 68.17, -6.30 46.34 1.83 56
7 07/16/2013 02:55:40 68.38, 134.55 46.95 07/16/2013 02:56:46 68.35, 134.52 46.92 3.06 66
8 07/16/2013 03:46:22 -68.28, -58.01 133.15 07/16/2013 03:46:16 -68.25, -57.96 133.17 3.21 6
9 07/16/2013 04:36:59 67.79, 109.91 46.36 07/16/2013 04:35:48 67.85, 109.21 46.44 30.33 71
10 07/18/2013 19:12:33 68.33,-109.61 47.36 07/18/2013 19:13:12 68.34,-109.60 47.37 1.93 39
11 07/18/2013 20:03:14 -68.17, 57.91 132.80 07/18/2013 20:02:43 -68.19, 57.86 132.77 3.37 31
12 07/21/2013 10:38:54 -69.02,-162.06 131.42 07/21/2013 10:40:03 -68.89,-160.67 131.59 57.45 69
13 07/21/2013 11:29:26 68.28, 6.24 47.82 07/21/2013 11:29:39 68.26, 6.20 47.80 2.31 13
14 07/21/2013 12:20:08 -68.17, 173.69 132.29 07/21/2013 12:19:09 -68.17, 173.72 132.29 1.51 59

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/8/2013
SNOs_Map_NPP_TERRA_20130708.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/08/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service