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: 5/3/2017
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 05/05/2017 10:39:09 68.75, 18.32 52.27 05/05/2017 10:40:20 68.67, 19.07 52.18 31.42 71
2 05/05/2017 11:29:44 -68.29,-173.75 128.21 05/05/2017 11:29:55 -68.28,-173.78 128.23 1.58 11
3 05/05/2017 12:20:28 68.16, -6.29 51.65 05/05/2017 12:19:22 68.17, -6.26 51.66 1.36 66
4 05/08/2017 02:55:57 68.34, 134.63 51.12 05/08/2017 02:56:55 68.36, 134.58 51.13 2.99 58
5 05/08/2017 03:46:39 -68.26, -57.94 128.98 05/08/2017 03:46:25 -68.26, -57.92 128.99 0.99 14
6 05/08/2017 04:37:12 67.54, 110.25 50.29 05/08/2017 04:36:02 67.59, 108.95 50.34 55.80 70
7 05/10/2017 19:12:52 68.32,-109.57 50.38 05/10/2017 19:13:25 68.34,-109.57 50.40 2.63 33
8 05/10/2017 20:03:33 -68.18, 57.93 129.77 05/10/2017 20:02:56 -68.18, 57.87 129.77 2.52 37
9 05/13/2017 10:39:12 -68.90,-161.88 129.70 05/13/2017 10:40:22 -68.77,-160.81 129.83 44.86 70
10 05/13/2017 11:29:47 68.30, 6.23 49.69 05/13/2017 11:29:56 68.27, 6.21 49.66 3.28 9
11 05/13/2017 12:20:28 -68.15, 173.73 130.47 05/13/2017 12:19:26 -68.17, 173.73 130.46 1.41 62
12 05/16/2017 02:55:57 -68.40, -45.44 130.84 05/16/2017 02:56:58 -68.37, -45.43 130.87 2.99 61
13 05/16/2017 03:46:40 68.22, 122.09 48.98 05/16/2017 03:46:25 68.25, 122.07 49.00 3.16 15
14 05/16/2017 04:37:14 -67.70, -69.94 131.56 05/16/2017 04:36:02 -67.76, -70.87 131.49 39.73 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/3/2017
SNOs_Map_NPP_TERRA_20170504.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/03/2017 in txt file.

Historical Predications of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service