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: 4/30/2013
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 05/02/2013 11:29:34 68.25, 6.04 52.63 05/02/2013 11:30:04 68.26, 6.09 52.64 2.41 30
2 05/02/2013 12:20:14 -68.08, 173.57 127.55 05/02/2013 12:19:35 -68.09, 173.53 127.54 2.28 39
3 05/05/2013 02:55:50 -68.59, -45.94 127.79 05/05/2013 02:57:01 -68.52, -45.35 127.87 25.63 71
4 05/05/2013 03:46:29 68.18, 121.90 51.78 05/05/2013 03:46:32 68.18, 121.89 51.78 0.43 3
5 05/05/2013 04:37:10 -68.06, -70.63 128.35 05/05/2013 04:36:02 -68.07, -70.60 128.34 1.81 68
6 05/07/2013 19:12:39 -68.26, 70.26 128.88 05/07/2013 19:13:31 -68.26, 70.23 128.88 1.33 52
7 05/07/2013 20:03:23 68.11,-122.25 50.97 05/07/2013 20:02:58 68.14,-122.26 51.00 2.85 25
8 05/07/2013 20:53:50 -67.24, 46.14 129.92 05/07/2013 20:52:41 -67.31, 44.42 129.84 74.32 69
9 05/10/2013 10:39:08 69.13, 17.55 51.31 05/10/2013 10:40:15 69.03, 19.45 51.20 75.91 67
10 05/10/2013 11:29:34 -68.20,-173.89 129.65 05/10/2013 11:29:58 -68.21,-173.94 129.64 2.27 24
11 05/10/2013 12:20:18 68.06, -6.40 50.20 05/10/2013 12:19:25 68.08, -6.44 50.23 3.17 53
12 05/13/2013 02:55:48 68.27, 134.47 49.76 05/13/2013 02:56:54 68.29, 134.42 49.78 2.77 66
13 05/13/2013 03:46:30 -68.20, -58.12 130.32 05/13/2013 03:46:24 -68.19, -58.06 130.33 2.38 6
14 05/13/2013 04:37:08 67.74, 109.77 49.21 05/13/2013 04:35:56 67.79, 109.11 49.26 28.28 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/30/2013
SNOs_Map_NPP_TERRA_20130501.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/30/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service