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: 12/7/2012
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 12/09/2012 11:28:15 69.20, 4.98 91.97 12/09/2012 11:29:21 69.10, 7.21 91.87 89.16 66
2 12/09/2012 12:18:39 -68.16, 173.69 89.08 12/09/2012 12:19:06 -68.15, 173.68 89.09 0.82 27
3 12/09/2012 13:09:23 68.03, -18.84 90.80 12/09/2012 13:08:33 68.04, -18.81 90.81 2.03 50
4 12/12/2012 03:44:53 68.32, 121.94 91.30 12/12/2012 03:46:04 68.31, 122.12 91.29 7.10 71
5 12/12/2012 04:35:33 -68.13, -70.50 88.89 12/12/2012 04:35:35 -68.15, -70.44 88.87 3.02 2
6 12/12/2012 05:26:16 67.95, 97.04 90.94 12/12/2012 05:25:03 67.98, 97.00 90.97 3.89 73
7 12/14/2012 20:01:45 68.20,-122.12 91.35 12/14/2012 20:02:35 68.18,-122.16 91.33 2.21 50
8 12/14/2012 20:52:26 -68.06, 45.37 88.79 12/14/2012 20:52:05 -68.08, 45.35 88.78 1.85 21
9 12/14/2012 21:42:54 67.07,-146.13 90.22 12/14/2012 21:41:47 67.12,-148.08 90.27 85.02 67
10 12/17/2012 12:18:38 68.14, -6.27 91.40 12/17/2012 12:19:04 68.15, -6.31 91.41 2.02 26
11 12/17/2012 13:09:19 -68.06, 161.15 88.69 12/17/2012 13:08:33 -68.05, 161.20 88.69 2.51 46
12 12/20/2012 03:44:51 -68.49, -58.25 88.20 12/20/2012 03:46:02 -68.40, -57.78 88.29 21.81 71
13 12/20/2012 04:35:30 68.09, 109.56 91.41 12/20/2012 04:35:32 68.11, 109.52 91.42 2.34 2
14 12/20/2012 05:26:12 -68.01, -83.02 88.68 12/20/2012 05:25:02 -68.01, -82.96 88.68 2.38 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/7/2012
SNOs_Map_NPP_TERRA_20121207.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/07/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service