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: 12/23/2012
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 12/25/2012 12:18:36 -68.19, 173.68 88.55 12/25/2012 12:19:10 -68.19, 173.71 88.56 0.95 34
2 12/25/2012 13:09:20 68.05, -18.83 91.31 12/25/2012 13:08:38 68.02, -18.84 91.28 2.69 42
3 12/28/2012 03:44:57 68.72, 121.44 91.89 12/28/2012 03:46:07 68.65, 122.50 91.80 43.37 70
4 12/28/2012 04:35:30 -68.16, -70.51 88.68 12/28/2012 04:35:44 -68.16, -70.46 88.69 2.17 14
5 12/28/2012 05:26:13 67.97, 97.04 91.12 12/28/2012 05:25:12 67.99, 96.99 91.15 3.05 61
6 12/30/2012 20:01:42 68.22,-122.12 91.21 12/30/2012 20:02:49 68.23,-122.16 91.22 1.76 67
7 12/30/2012 20:52:23 -68.09, 45.36 88.92 12/30/2012 20:52:20 -68.08, 45.30 88.94 2.78 3
8 12/30/2012 21:43:03 67.74,-146.90 90.72 12/30/2012 21:41:50 67.79,-147.39 90.78 21.40 73
9 01/02/2013 12:18:35 68.20, -6.33 90.98 01/02/2013 12:19:24 68.19, -6.34 90.97 1.02 49
10 01/02/2013 13:09:16 -68.07, 161.16 89.16 01/02/2013 13:08:55 -68.05, 161.12 89.19 3.14 21
11 01/02/2013 13:59:44 67.07, -30.33 89.82 01/02/2013 13:58:36 67.14, -32.26 89.93 83.88 68
12 01/05/2013 04:35:29 68.19, 109.47 90.69 01/05/2013 04:36:01 68.16, 109.47 90.66 3.22 32
13 01/05/2013 05:26:10 -68.06, -83.05 89.45 01/05/2013 05:25:31 -68.07, -83.00 89.44 2.50 39

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/23/2012
SNOs_Map_NPP_TERRA_20121224.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/23/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service