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: 3/13/2012
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 03/15/2012 02:55:31 -68.45, -45.58 109.60 03/15/2012 02:56:43 -68.41, -45.48 109.65 6.08 72
2 03/15/2012 03:46:13 68.23, 122.02 70.16 03/15/2012 03:46:11 68.25, 121.97 70.18 3.18 2
3 03/15/2012 04:36:54 -68.08, -70.48 110.01 03/15/2012 04:35:42 -68.08, -70.60 110.00 5.20 72
4 03/17/2012 19:12:24 -68.33, 70.35 110.79 03/17/2012 19:13:12 -68.33, 70.30 110.80 2.07 48
5 03/17/2012 20:03:08 68.21,-122.19 69.08 03/17/2012 20:02:39 68.22,-122.18 69.09 0.87 29
6 03/17/2012 20:53:32 -67.15, 46.42 112.03 03/17/2012 20:52:25 -67.21, 44.30 111.91 91.65 67
7 03/20/2012 10:38:50 69.10, 17.77 68.97 03/20/2012 10:39:59 69.00, 19.39 68.82 65.50 69
8 03/20/2012 11:29:19 -68.31,-173.86 111.87 03/20/2012 11:29:39 -68.33,-173.80 111.85 3.36 20
9 03/20/2012 12:20:02 68.14, -6.33 67.94 03/20/2012 12:19:07 68.16, -6.36 67.97 2.88 55
10 03/23/2012 02:55:32 68.39, 134.49 67.16 03/23/2012 02:56:37 68.36, 134.49 67.13 2.36 65
11 03/23/2012 03:46:13 -68.24, -58.00 113.01 03/23/2012 03:46:07 -68.26, -58.00 112.99 2.19 6
12 03/23/2012 04:36:51 67.80, 109.86 66.53 03/23/2012 04:35:39 67.86, 109.18 66.62 29.33 72
13 03/25/2012 19:12:25 68.31,-109.65 66.03 03/25/2012 19:13:03 68.32,-109.67 66.03 0.84 38
14 03/25/2012 20:03:07 -68.22, 57.79 114.08 03/25/2012 20:02:33 -68.21, 57.84 114.09 2.32 34

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/13/2012
SNOs_Map_NPP_TERRA_20120313.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/13/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service