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: 4/24/2012
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 04/24/2012 04:36:43 68.09, 109.48 54.99 04/24/2012 04:35:38 68.11, 109.46 55.01 2.10 65
2 04/26/2012 19:12:12 68.36,-109.72 54.42 04/26/2012 19:13:11 68.35,-109.67 54.40 2.39 59
3 04/26/2012 20:02:52 -68.19, 57.82 125.77 04/26/2012 20:02:42 -68.19, 57.78 125.77 1.98 10
4 04/26/2012 20:53:27 67.56,-134.09 53.59 04/26/2012 20:52:17 67.63,-135.23 53.66 48.93 70
5 04/29/2012 11:29:05 68.30, 6.13 53.52 04/29/2012 11:29:42 68.29, 6.14 53.51 1.66 37
6 04/29/2012 12:19:46 -68.18, 173.60 126.61 04/29/2012 12:19:12 -68.19, 173.65 126.61 2.33 34
7 05/02/2012 02:55:26 -69.02, -46.37 126.55 05/02/2012 02:56:35 -68.94, -44.83 126.65 62.09 69
8 05/02/2012 03:45:58 68.24, 121.97 52.65 05/02/2012 03:46:12 68.26, 121.99 52.67 2.22 14
9 05/02/2012 04:36:39 -68.12, -70.55 127.49 05/02/2012 04:35:43 -68.11, -70.56 127.50 1.17 56
10 05/04/2012 19:12:06 -68.32, 70.34 128.05 05/04/2012 19:13:14 -68.34, 70.31 128.03 2.97 68
11 05/04/2012 20:02:51 68.24,-122.25 51.86 05/04/2012 20:02:41 68.22,-122.19 51.84 3.10 10
12 05/04/2012 20:53:27 -67.84, 45.57 128.55 05/04/2012 20:52:15 -67.90, 45.07 128.49 22.13 72
13 05/07/2012 11:29:00 -68.30,-173.86 128.81 05/07/2012 11:29:43 -68.33,-173.83 128.79 3.30 43
14 05/07/2012 12:19:44 68.17, -6.39 51.05 05/07/2012 12:19:11 68.14, -6.40 51.02 2.76 33

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/24/2012
SNOs_Map_NPP_TERRA_20120424.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/24/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service