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: 7/4/2018
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 07/06/2018 03:46:45 68.39, 121.91 45.61 07/06/2018 03:47:47 68.36, 121.91 45.58 3.10 62
2 07/06/2018 04:37:26 -68.27, -70.62 134.51 07/06/2018 04:37:17 -68.26, -70.57 134.52 1.86 9
3 07/06/2018 05:28:02 67.70, 97.41 44.91 07/06/2018 05:26:51 67.75, 96.47 44.99 39.75 71
4 07/08/2018 20:03:38 68.31,-122.21 45.82 07/08/2018 20:04:17 68.31,-122.27 45.82 2.49 39
5 07/08/2018 20:54:20 -68.23, 45.20 134.26 07/08/2018 20:53:47 -68.22, 45.25 134.27 2.76 33
6 07/11/2018 11:30:00 -69.05,-174.73 133.08 07/11/2018 11:31:09 -68.99,-173.20 133.18 61.55 69
7 07/11/2018 12:20:32 68.28, -6.40 46.13 07/11/2018 12:20:47 68.26, -6.46 46.11 3.30 15
8 07/11/2018 13:11:13 -68.15, 161.09 134.00 07/11/2018 13:10:17 -68.16, 161.06 133.99 1.83 56
9 07/14/2018 03:46:41 -68.38, -58.06 133.39 07/14/2018 03:47:48 -68.38, -58.08 133.40 1.04 67
10 07/14/2018 04:37:25 68.25, 109.41 46.49 07/14/2018 04:37:15 68.25, 109.42 46.48 0.25 10
11 07/14/2018 05:28:01 -67.85, -82.76 133.93 07/14/2018 05:26:49 -67.94, -83.33 133.82 25.43 72
12 07/16/2018 20:03:35 -68.35, 57.75 132.99 07/16/2018 20:04:17 -68.37, 57.78 132.99 1.94 42
13 07/16/2018 20:54:19 68.23,-134.78 46.89 07/16/2018 20:53:44 68.24,-134.72 46.90 3.01 35

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/4/2018
SNOs_Map_NPP_TERRA_20180705.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/04/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service