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: 6/17/2012
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 06/19/2012 03:45:08 68.30, 122.04 44.78 06/19/2012 03:46:01 68.28, 122.05 44.75 2.58 53
2 06/19/2012 04:35:49 -68.15, -70.45 135.38 06/19/2012 04:35:31 -68.17, -70.44 135.36 2.25 18
3 06/19/2012 05:26:19 67.29, 97.92 43.74 06/19/2012 05:25:11 67.34, 96.24 43.82 72.02 68
4 06/21/2012 20:01:58 68.25,-122.11 44.72 06/21/2012 20:02:31 68.27,-122.09 44.74 2.75 33
5 06/21/2012 20:52:39 -68.10, 45.40 135.44 06/21/2012 20:52:02 -68.11, 45.36 135.42 2.71 37
6 06/24/2012 11:28:17 -68.94,-174.54 134.54 06/24/2012 11:29:27 -68.81,-173.20 134.69 55.58 70
7 06/24/2012 12:18:49 68.19, -6.26 44.70 06/24/2012 12:19:03 68.20, -6.31 44.70 2.09 14
8 06/24/2012 13:09:31 -68.09, 161.19 135.40 06/24/2012 13:08:33 -68.09, 161.20 135.40 0.67 58
9 06/27/2012 03:44:58 -68.34, -57.97 135.06 06/27/2012 03:46:06 -68.33, -57.92 135.08 2.34 68
10 06/27/2012 04:35:41 68.19, 109.53 44.79 06/27/2012 04:35:34 68.16, 109.52 44.76 3.14 7
11 06/27/2012 05:26:19 -67.86, -82.75 135.54 06/27/2012 05:25:06 -67.95, -83.09 135.45 17.13 73
12 06/29/2012 20:01:49 -68.27, 57.89 134.99 06/29/2012 20:02:37 -68.28, 57.90 134.98 1.15 48
13 06/29/2012 20:52:32 68.12,-134.61 44.87 06/29/2012 20:52:05 68.11,-134.67 44.85 2.91 27
14 06/29/2012 21:42:58 -67.15, 33.89 136.13 06/29/2012 21:41:50 -67.17, 31.91 136.06 85.56 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/17/2012
SNOs_Map_NPP_TERRA_20120617.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/17/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service