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: 4/25/2018
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 04/25/2018 04:37:29 68.19, 109.41 54.91 04/25/2018 04:36:44 68.18, 109.48 54.90 2.87 45
2 04/27/2018 19:13:03 68.69,-110.09 54.57 04/27/2018 19:14:14 68.59,-109.44 54.47 28.54 71
3 04/27/2018 20:03:39 -68.27, 57.77 125.87 04/27/2018 20:03:48 -68.26, 57.79 125.88 1.48 9
4 04/27/2018 20:54:22 68.10,-134.70 53.96 04/27/2018 20:53:16 68.10,-134.75 53.95 2.19 66
5 04/30/2018 11:29:52 68.33, 6.15 53.38 04/30/2018 11:30:50 68.34, 6.13 53.38 1.38 58
6 04/30/2018 12:20:34 -68.23, 173.59 126.74 04/30/2018 12:20:20 -68.23, 173.63 126.74 1.59 14
7 04/30/2018 13:11:07 67.52, -18.22 52.55 04/30/2018 13:09:57 67.56, -19.50 52.59 54.38 70
8 05/03/2018 03:46:47 68.30, 121.96 52.54 05/03/2018 03:47:22 68.31, 121.96 52.55 1.24 35
9 05/03/2018 04:37:29 -68.20, -70.59 127.57 05/03/2018 04:36:52 -68.20, -70.53 127.57 2.54 37
10 05/05/2018 19:13:09 -68.96, 69.54 127.55 05/05/2018 19:14:19 -68.83, 70.83 127.69 53.38 70
11 05/05/2018 20:03:42 68.27,-122.23 51.74 05/05/2018 20:03:54 68.28,-122.21 51.74 1.27 12
12 05/05/2018 20:54:23 -68.11, 45.29 128.43 05/05/2018 20:53:25 -68.12, 45.23 128.43 2.42 58
13 05/08/2018 11:29:52 -68.34,-173.87 128.92 05/08/2018 11:30:58 -68.36,-173.89 128.91 1.91 66
14 05/08/2018 12:20:36 68.24, -6.42 50.97 05/08/2018 12:20:25 68.24, -6.38 50.97 1.60 11
15 05/08/2018 13:11:12 -67.81, 161.43 129.48 05/08/2018 13:10:00 -67.86, 160.80 129.42 27.02 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/25/2018
SNOs_Map_NPP_TERRA_20180425.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/25/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service