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: 12/6/2012
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 12/06/2012 20:01:46 -68.24, 57.82 89.28 12/06/2012 20:02:36 -68.22, 57.87 89.30 3.30 50
2 12/06/2012 20:52:29 68.05,-134.64 90.55 12/06/2012 20:52:04 68.05,-134.68 90.54 1.52 25
3 12/06/2012 21:42:56 -67.17, 33.75 90.34 12/06/2012 21:41:47 -67.22, 32.01 90.30 75.49 69
4 12/09/2012 11:28:15 69.19, 5.00 91.96 12/09/2012 11:29:22 69.06, 7.16 91.83 86.96 67
5 12/09/2012 12:18:39 -68.15, 173.71 89.10 12/09/2012 12:19:06 -68.17, 173.70 89.07 3.12 27
6 12/09/2012 13:09:23 68.02, -18.82 90.78 12/09/2012 13:08:34 68.01, -18.85 90.77 1.78 49
7 12/12/2012 03:44:54 68.36, 121.90 91.34 12/12/2012 03:46:04 68.34, 122.14 91.32 10.35 70
8 12/12/2012 04:35:33 -68.11, -70.48 88.91 12/12/2012 04:35:36 -68.12, -70.48 88.90 0.55 3
9 12/12/2012 05:26:16 67.93, 97.06 90.92 12/12/2012 05:25:04 67.95, 96.96 90.93 4.52 72
10 12/14/2012 20:01:46 68.23,-122.16 91.38 12/14/2012 20:02:35 68.21,-122.12 91.36 2.48 49
11 12/14/2012 20:52:27 -68.09, 45.33 88.76 12/14/2012 20:52:05 -68.11, 45.39 88.75 3.18 22
12 12/14/2012 21:42:55 67.10,-146.16 90.25 12/14/2012 21:41:47 67.15,-148.05 90.30 81.89 68
13 12/17/2012 12:18:38 68.16, -6.31 91.43 12/17/2012 12:19:03 68.19, -6.26 91.45 3.37 25
14 12/17/2012 13:09:19 -68.03, 161.18 88.71 12/17/2012 13:08:34 -68.04, 161.18 88.71 0.65 45

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/6/2012
SNOs_Map_NPP_TERRA_20121206.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/06/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service