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: 5/12/2017
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 10:39:11 -68.84,-161.80 129.75 05/13/2017 10:40:21 -68.74,-160.84 129.87 40.55 70
2 05/13/2017 11:29:47 68.29, 6.24 49.68 05/13/2017 11:29:54 68.30, 6.27 49.69 2.30 7
3 05/13/2017 12:20:28 -68.15, 173.73 130.47 05/13/2017 12:19:25 -68.13, 173.70 130.49 2.83 63
4 05/16/2017 02:55:56 -68.34, -45.36 130.90 05/16/2017 02:56:56 -68.35, -45.43 130.89 3.12 60
5 05/16/2017 03:46:41 68.26, 122.04 49.02 05/16/2017 03:46:23 68.25, 122.09 49.00 2.67 18
6 05/16/2017 04:37:12 -67.59, -69.80 131.67 05/16/2017 04:36:02 -67.63, -70.99 131.63 50.65 70
7 05/18/2017 19:12:51 -68.32, 70.44 131.52 05/18/2017 19:13:26 -68.29, 70.38 131.54 3.49 35
8 05/18/2017 20:03:35 68.19,-122.09 48.35 05/18/2017 20:02:53 68.18,-122.11 48.34 0.85 42
9 05/21/2017 10:39:10 68.70, 18.38 48.33 05/21/2017 10:40:21 68.61, 19.02 48.23 27.55 71
10 05/21/2017 11:29:46 -68.30,-173.77 132.09 05/21/2017 11:29:55 -68.29,-173.75 132.11 1.62 9
11 05/21/2017 12:20:30 68.17, -6.30 47.77 05/21/2017 12:19:22 68.17, -6.24 47.77 2.39 68
12 05/24/2017 02:55:59 68.36, 134.60 47.47 05/24/2017 02:56:54 68.37, 134.61 47.47 0.83 55
13 05/24/2017 03:46:40 -68.23, -57.90 132.68 05/24/2017 03:46:25 -68.22, -57.95 132.69 2.32 15
14 05/24/2017 04:37:12 67.45, 110.36 46.54 05/24/2017 04:36:03 67.48, 108.85 46.57 64.60 69
15 05/26/2017 19:12:53 68.35,-109.61 46.98 05/26/2017 19:13:22 68.35,-109.54 46.98 2.83 29

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/12/2017
SNOs_Map_NPP_TERRA_20170513.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/12/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service