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: 8/16/2017
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 08/17/2017 10:39:31 -68.97,-161.98 124.38 08/17/2017 10:40:41 -68.83,-160.84 124.56 48.51 70
2 08/17/2017 11:30:05 68.32, 6.19 54.96 08/17/2017 11:30:15 68.33, 6.20 54.97 1.16 10
3 08/17/2017 12:20:47 -68.23, 173.63 125.13 08/17/2017 12:19:45 -68.22, 173.70 125.13 2.77 62
4 08/20/2017 02:56:18 -68.41, -45.47 124.09 08/20/2017 02:57:18 -68.42, -45.47 124.09 0.49 60
5 08/20/2017 03:47:02 68.30, 121.99 55.81 08/20/2017 03:46:45 68.31, 122.04 55.82 2.65 17
6 08/20/2017 04:37:34 -67.67, -69.90 124.83 08/20/2017 04:36:23 -67.76, -70.97 124.72 46.24 71
7 08/22/2017 19:13:14 -68.39, 70.32 123.22 08/22/2017 19:13:47 -68.39, 70.37 123.23 2.01 33
8 08/22/2017 20:03:57 68.23,-122.16 56.63 08/22/2017 20:03:15 68.22,-122.18 56.62 1.31 42
9 08/25/2017 10:39:33 68.69, 18.38 57.99 08/25/2017 10:40:44 68.62, 18.90 57.91 22.38 71
10 08/25/2017 11:30:10 -68.32,-173.82 122.38 08/25/2017 11:30:18 -68.29,-173.87 122.41 3.36 8
11 08/25/2017 12:20:54 68.21, -6.37 57.52 08/25/2017 12:19:45 68.18, -6.36 57.49 3.13 69
12 08/28/2017 02:56:25 68.40, 134.52 58.63 08/28/2017 02:57:17 68.40, 134.51 58.63 0.33 52
13 08/28/2017 03:47:07 -68.30, -58.03 121.47 08/28/2017 03:46:47 -68.30, -57.98 121.47 1.95 20
14 08/28/2017 04:37:36 67.38, 110.42 57.62 08/28/2017 04:36:28 67.40, 108.63 57.66 76.55 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/16/2017
SNOs_Map_NPP_TERRA_20170816.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/16/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service