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: 4/27/2018
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 68.69,-110.10 54.58 04/27/2018 19:14:15 68.59,-109.44 54.47 29.02 71
2 04/27/2018 20:03:40 -68.28, 57.77 125.86 04/27/2018 20:03:49 -68.26, 57.80 125.88 2.17 9
3 04/27/2018 20:54:23 68.10,-134.71 53.96 04/27/2018 20:53:17 68.09,-134.75 53.95 2.19 66
4 04/30/2018 11:29:52 68.33, 6.14 53.38 04/30/2018 11:30:50 68.34, 6.13 53.39 0.92 58
5 04/30/2018 12:20:34 -68.24, 173.58 126.73 04/30/2018 12:20:20 -68.24, 173.64 126.73 2.33 14
6 04/30/2018 13:11:07 67.53, -18.23 52.55 04/30/2018 13:09:57 67.57, -19.49 52.59 53.88 70
7 05/03/2018 03:46:47 68.30, 121.95 52.55 05/03/2018 03:47:22 68.32, 121.97 52.56 1.75 35
8 05/03/2018 04:37:28 -68.15, -70.53 127.62 05/03/2018 04:36:53 -68.16, -70.59 127.61 2.35 35
9 05/05/2018 19:13:09 -68.97, 69.53 127.55 05/05/2018 19:14:19 -68.85, 70.85 127.67 54.42 70
10 05/05/2018 20:03:42 68.27,-122.24 51.74 05/05/2018 20:03:54 68.29,-122.19 51.76 2.83 12
11 05/05/2018 20:54:23 -68.12, 45.28 128.43 05/05/2018 20:53:25 -68.14, 45.26 128.41 2.23 58
12 05/08/2018 11:29:53 -68.35,-173.88 128.91 05/08/2018 11:31:00 -68.33,-173.93 128.94 3.39 67
13 05/08/2018 12:20:36 68.19, -6.36 50.92 05/08/2018 12:20:27 68.21, -6.42 50.94 3.29 9
14 05/08/2018 13:11:13 -67.82, 161.42 129.47 05/08/2018 13:10:01 -67.89, 160.83 129.40 25.79 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/27/2018
SNOs_Map_NPP_TERRA_20180427.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/27/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service