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: 7/25/2018
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 07/27/2018 11:30:01 -68.84,-174.45 130.38 07/27/2018 11:31:12 -68.71,-173.55 130.54 38.83 71
2 07/27/2018 12:20:37 68.28, -6.40 49.05 07/27/2018 12:20:45 68.26, -6.45 49.03 2.60 8
3 07/27/2018 13:11:18 -68.15, 161.09 131.08 07/27/2018 13:10:15 -68.16, 161.06 131.07 1.83 63
4 07/30/2018 03:46:50 -68.40, -58.10 130.21 07/30/2018 03:47:47 -68.39, -58.07 130.23 1.71 57
5 07/30/2018 04:37:34 68.27, 109.37 49.67 07/30/2018 04:37:14 68.27, 109.44 49.67 2.66 20
6 07/30/2018 05:28:04 -67.54, -82.40 131.08 07/30/2018 05:26:54 -67.61, -83.70 130.97 55.69 70
7 08/01/2018 20:03:46 -68.33, 57.75 129.62 08/01/2018 20:04:17 -68.35, 57.76 129.60 1.96 31
8 08/01/2018 20:54:30 68.21,-134.78 50.27 08/01/2018 20:53:44 68.23,-134.73 50.29 3.35 46
9 08/04/2018 11:30:04 68.58, 5.88 51.33 08/04/2018 11:31:15 68.54, 6.23 51.27 15.17 71
10 08/04/2018 12:20:42 -68.27, 173.60 128.99 08/04/2018 12:20:48 -68.27, 173.54 128.99 2.46 6
11 08/04/2018 13:11:26 68.15, -18.94 50.91 08/04/2018 13:10:15 68.15, -18.96 50.91 0.52 71
12 08/07/2018 03:46:56 68.36, 121.93 51.83 08/07/2018 03:47:47 68.35, 121.88 51.82 2.24 51
13 08/07/2018 04:37:38 -68.26, -70.63 128.26 08/07/2018 04:37:17 -68.25, -70.61 128.27 1.29 21
14 08/07/2018 05:28:06 67.28, 97.89 50.75 08/07/2018 05:26:58 67.35, 96.00 50.86 81.09 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/25/2018
SNOs_Map_NPP_TERRA_20180727.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/25/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service