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: 3/18/2013
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 03/20/2013 19:12:17 -69.19, 69.09 110.99 03/20/2013 19:13:24 -69.06, 71.18 111.18 84.42 67
2 03/20/2013 20:02:44 68.18,-122.25 67.95 03/20/2013 20:03:05 68.17,-122.27 67.94 0.98 21
3 03/20/2013 20:53:26 -68.09, 45.19 112.16 03/20/2013 20:52:35 -68.06, 45.24 112.18 3.41 51
4 03/23/2013 11:28:51 -68.75,-174.48 112.50 03/23/2013 11:30:01 -68.66,-173.44 112.62 43.52 70
5 03/23/2013 12:19:26 68.17, -6.41 66.89 03/23/2013 12:19:35 68.16, -6.40 66.88 1.44 9
6 03/23/2013 13:10:07 -68.04, 161.08 113.27 03/23/2013 13:09:05 -68.06, 161.11 113.25 2.73 62
7 03/26/2013 03:45:21 -68.66, -58.48 113.66 03/26/2013 03:46:32 -68.53, -57.72 113.81 33.98 71
8 03/26/2013 04:35:57 68.14, 109.50 65.79 03/26/2013 04:36:04 68.13, 109.45 65.79 2.41 7
9 03/26/2013 05:26:39 -68.06, -83.08 114.30 03/26/2013 05:25:34 -68.03, -83.04 114.33 3.27 65
10 03/28/2013 20:01:48 -68.85, 57.17 114.52 03/28/2013 20:02:58 -68.71, 58.38 114.69 50.88 70
11 03/28/2013 20:52:21 68.17,-134.63 64.78 03/28/2013 20:52:32 68.20,-134.60 64.80 3.26 11
12 03/28/2013 21:43:02 -68.05, 32.85 115.37 03/28/2013 21:42:03 -68.04, 32.85 115.37 0.36 59
13 03/31/2013 12:18:11 -69.32, 172.46 115.07 03/31/2013 12:19:17 -69.25, 174.96 115.19 98.35 66
14 03/31/2013 13:08:35 68.17, -18.69 63.74 03/31/2013 13:09:01 68.19, -18.73 63.75 2.27 26
15 03/31/2013 13:59:16 -68.05, 148.79 116.40 03/31/2013 13:58:32 -68.04, 148.73 116.42 3.23 44

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/18/2013
SNOs_Map_NPP_TERRA_20130319.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/18/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service