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: 4/10/2012
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 04/10/2012 19:12:19 68.32,-109.67 59.91 04/10/2012 19:12:59 68.30,-109.67 59.89 1.68 40
2 04/10/2012 20:03:00 -68.20, 57.81 120.23 04/10/2012 20:02:29 -68.20, 57.84 120.24 1.22 31
3 04/13/2012 10:38:44 -69.26,-162.47 120.10 04/13/2012 10:39:51 -69.14,-160.41 120.25 82.58 67
4 04/13/2012 11:29:12 68.27, 6.17 58.88 04/13/2012 11:29:32 68.25, 6.14 58.86 2.39 20
5 04/13/2012 12:19:53 -68.15, 173.65 121.26 04/13/2012 12:19:02 -68.15, 173.65 121.26 0.08 51
6 04/16/2012 02:55:23 -68.53, -45.70 121.81 04/16/2012 02:56:34 -68.46, -45.38 121.88 14.66 71
7 04/16/2012 03:46:04 68.23, 121.99 57.88 04/16/2012 03:46:03 68.24, 121.99 57.89 1.17 1
8 04/16/2012 04:36:45 -68.10, -70.53 122.26 04/16/2012 04:35:34 -68.08, -70.56 122.28 2.78 71
9 04/18/2012 19:12:13 -68.34, 70.32 122.94 04/18/2012 19:13:08 -68.33, 70.33 122.95 0.59 55
10 04/18/2012 20:02:57 68.20,-122.20 56.91 04/18/2012 20:02:35 68.21,-122.17 56.92 2.01 22
11 04/18/2012 20:53:26 -67.43, 46.07 123.88 04/18/2012 20:52:16 -67.50, 44.64 123.80 61.31 70
12 04/21/2012 11:29:06 -68.32,-173.88 123.88 04/21/2012 11:29:40 -68.30,-173.85 123.90 2.88 34
13 04/21/2012 12:19:50 68.18, -6.41 55.98 04/21/2012 12:19:07 68.18, -6.34 55.97 2.75 43
14 04/24/2012 02:55:25 68.82, 133.92 55.75 04/24/2012 02:56:35 68.73, 134.93 55.66 41.75 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/10/2012
SNOs_Map_NPP_TERRA_20120410.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/10/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service