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: 7/23/2013
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 07/24/2013 02:55:50 -68.39, -45.49 131.54 07/24/2013 02:56:50 -68.37, -45.47 131.56 2.11 60
2 07/24/2013 03:46:34 68.26, 121.98 48.35 07/24/2013 03:46:17 68.26, 122.05 48.34 2.63 17
3 07/24/2013 04:37:06 -67.64, -69.91 132.30 07/24/2013 04:35:55 -67.71, -70.96 132.19 45.14 71
4 07/26/2013 19:12:48 -68.32, 70.36 131.02 07/26/2013 19:13:22 -68.34, 70.37 131.01 2.27 34
5 07/26/2013 20:03:32 68.20,-122.17 48.86 07/26/2013 20:02:50 68.18,-122.19 48.84 2.74 42
6 07/29/2013 10:39:09 68.68, 18.34 49.96 07/29/2013 10:40:20 68.58, 18.89 49.84 25.04 71
7 07/29/2013 11:29:46 -68.32,-173.87 130.41 07/29/2013 11:29:53 -68.31,-173.80 130.42 2.92 7
8 07/29/2013 12:20:29 68.14, -6.34 49.42 07/29/2013 12:19:21 68.14, -6.36 49.43 1.05 68
9 08/01/2013 02:56:02 68.36, 134.52 50.28 08/01/2013 02:56:55 68.37, 134.50 50.29 1.58 53
10 08/01/2013 03:46:44 -68.26, -58.04 129.81 08/01/2013 03:46:25 -68.27, -57.98 129.80 2.49 19
11 08/01/2013 04:37:14 67.38, 110.36 49.30 08/01/2013 04:36:05 67.42, 108.69 49.39 71.53 69
12 08/03/2013 19:13:00 68.31,-109.65 50.92 08/03/2013 19:13:27 68.32,-109.69 50.93 2.11 27
13 08/03/2013 20:03:42 -68.21, 57.79 129.17 08/03/2013 20:02:57 -68.22, 57.83 129.16 2.20 45

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/23/2013
SNOs_Map_NPP_TERRA_20130723.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/23/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service