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: 9/10/2013
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 09/10/2013 03:47:34 68.25, 121.89 63.24 09/10/2013 03:46:31 68.23, 121.90 63.21 2.40 63
2 09/12/2013 18:23:06 68.47, -97.26 64.45 09/12/2013 18:24:02 68.46, -97.22 64.44 2.18 56
3 09/12/2013 19:13:46 -68.30, 70.28 115.71 09/12/2013 19:13:33 -68.30, 70.22 115.71 2.47 13
4 09/12/2013 20:04:19 67.55,-121.48 63.56 09/12/2013 20:03:10 67.62,-122.92 63.63 61.33 69
5 09/15/2013 10:40:03 68.43, 18.56 65.44 09/15/2013 10:40:31 68.40, 18.60 65.41 3.30 28
6 09/15/2013 11:30:43 -68.25,-173.89 114.73 09/15/2013 11:30:02 -68.25,-173.96 114.74 2.75 41
7 09/18/2013 02:06:18 -68.70, -33.33 113.28 09/18/2013 02:07:29 -68.63, -32.89 113.35 19.33 71
8 09/18/2013 02:56:58 68.34, 134.45 66.38 09/18/2013 02:56:59 68.34, 134.40 66.38 1.69 1
9 09/18/2013 03:47:39 -68.22, -58.08 113.73 09/18/2013 03:46:29 -68.24, -58.08 113.71 2.78 70
10 09/20/2013 18:23:11 -68.45, 82.77 112.49 09/20/2013 18:24:00 -68.45, 82.77 112.49 0.31 49
11 09/20/2013 19:13:55 68.31,-109.75 67.39 09/20/2013 19:13:27 68.32,-109.74 67.40 1.10 28
12 09/20/2013 20:04:20 -67.32, 58.80 113.58 09/20/2013 20:03:12 -67.39, 56.82 113.53 84.86 68
13 09/23/2013 09:49:39 69.19, 30.20 69.30 09/23/2013 09:50:48 69.07, 31.80 69.17 64.77 69
14 09/23/2013 10:40:08 -68.42,-161.43 111.47 09/23/2013 10:40:28 -68.42,-161.38 111.47 1.97 20
15 09/23/2013 11:30:52 68.29, 6.05 68.41 09/23/2013 11:29:55 68.29, 6.11 68.41 2.55 57

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/10/2013
SNOs_Map_NPP_TERRA_20130910.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/10/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service