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: 5/11/2017
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 05/13/2017 10:39:10 -68.83,-161.79 129.76 05/13/2017 10:40:21 -68.68,-160.91 129.92 39.30 71
2 05/13/2017 11:29:46 68.28, 6.25 49.67 05/13/2017 11:29:53 68.30, 6.27 49.69 2.97 7
3 05/13/2017 12:20:27 -68.14, 173.74 130.48 05/13/2017 12:19:24 -68.13, 173.70 130.49 2.36 63
4 05/16/2017 02:55:57 -68.38, -45.42 130.86 05/16/2017 02:56:55 -68.39, -45.39 130.86 1.31 58
5 05/16/2017 03:46:41 68.25, 122.05 49.01 05/16/2017 03:46:23 68.23, 122.06 48.98 3.29 18
6 05/16/2017 04:37:12 -67.58, -69.79 131.68 05/16/2017 04:36:02 -67.61, -71.02 131.65 52.13 70
7 05/18/2017 19:12:51 -68.31, 70.45 131.53 05/18/2017 19:13:25 -68.30, 70.39 131.54 2.83 34
8 05/18/2017 20:03:35 68.18,-122.08 48.34 05/18/2017 20:02:52 68.19,-122.10 48.34 1.03 43
9 05/21/2017 10:39:09 68.64, 18.46 48.26 05/21/2017 10:40:20 68.58, 18.98 48.19 22.01 71
10 05/21/2017 11:29:46 -68.29,-173.76 132.10 05/21/2017 11:29:53 -68.30,-173.72 132.09 1.98 7
11 05/21/2017 12:20:30 68.16, -6.29 47.77 05/21/2017 12:19:21 68.13, -6.28 47.73 3.44 69
12 05/24/2017 02:55:58 68.36, 134.61 47.46 05/24/2017 02:56:51 68.34, 134.57 47.44 2.64 53
13 05/24/2017 03:46:39 -68.22, -57.89 132.69 05/24/2017 03:46:21 -68.24, -57.92 132.67 2.04 18
14 05/24/2017 04:37:09 67.34, 110.50 46.42 05/24/2017 04:36:01 67.39, 108.75 46.48 74.90 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/11/2017
SNOs_Map_NPP_TERRA_20170512.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/11/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service