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: 4/26/2018
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 04/27/2018 19:13:04 68.70,-110.11 54.59 04/27/2018 19:14:15 68.58,-109.45 54.46 29.74 71
2 04/27/2018 20:03:39 -68.23, 57.82 125.90 04/27/2018 20:03:49 -68.25, 57.78 125.89 2.79 10
3 04/27/2018 20:54:23 68.11,-134.72 53.97 04/27/2018 20:53:16 68.14,-134.71 54.00 2.93 67
4 04/30/2018 11:29:52 68.34, 6.13 53.39 04/30/2018 11:30:50 68.33, 6.11 53.37 2.23 58
5 04/30/2018 12:20:34 -68.25, 173.57 126.72 04/30/2018 12:20:20 -68.22, 173.61 126.75 3.27 14
6 04/30/2018 13:11:07 67.54, -18.24 52.56 04/30/2018 13:09:57 67.55, -19.52 52.58 54.30 70
7 05/03/2018 03:46:47 68.31, 121.94 52.55 05/03/2018 03:47:22 68.29, 121.94 52.53 1.98 35
8 05/03/2018 04:37:29 -68.21, -70.61 127.56 05/03/2018 04:36:52 -68.19, -70.55 127.58 3.30 37
9 05/05/2018 19:13:09 -68.98, 69.52 127.54 05/05/2018 19:14:18 -68.87, 70.87 127.65 55.19 69
10 05/05/2018 20:03:42 68.28,-122.25 51.75 05/05/2018 20:03:54 68.26,-122.24 51.73 2.46 12
11 05/05/2018 20:54:23 -68.12, 45.27 128.42 05/05/2018 20:53:25 -68.10, 45.21 128.44 3.50 58
12 05/08/2018 11:29:53 -68.36,-173.88 128.91 05/08/2018 11:30:59 -68.34,-173.92 128.93 2.75 66
13 05/08/2018 12:20:36 68.20, -6.37 50.93 05/08/2018 12:20:26 68.22, -6.41 50.95 3.17 10
14 05/08/2018 13:11:13 -67.82, 161.42 129.46 05/08/2018 13:10:01 -67.84, 160.78 129.44 26.89 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/26/2018
SNOs_Map_NPP_TERRA_20180426.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/26/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service