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: 4/24/2018
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 03:46:45 -68.31, -58.04 124.97 04/25/2018 03:47:17 -68.28, -58.05 124.99 2.66 32
2 04/25/2018 04:37:29 68.19, 109.41 54.91 04/25/2018 04:36:44 68.18, 109.47 54.90 2.80 45
3 04/27/2018 19:13:03 68.69,-110.09 54.57 04/27/2018 19:14:14 68.58,-109.45 54.46 28.47 71
4 04/27/2018 20:03:39 -68.27, 57.78 125.87 04/27/2018 20:03:48 -68.25, 57.79 125.88 1.79 9
5 04/27/2018 20:54:22 68.10,-134.70 53.96 04/27/2018 20:53:16 68.09,-134.76 53.95 2.83 66
6 04/30/2018 11:29:52 68.33, 6.15 53.38 04/30/2018 11:30:50 68.32, 6.10 53.37 2.13 58
7 04/30/2018 12:20:34 -68.23, 173.59 126.74 04/30/2018 12:20:20 -68.21, 173.61 126.76 1.98 14
8 04/30/2018 13:11:07 67.52, -18.22 52.55 04/30/2018 13:09:57 67.54, -19.52 52.57 55.18 70
9 05/03/2018 03:46:47 68.30, 121.96 52.54 05/03/2018 03:47:22 68.27, 121.92 52.52 3.23 35
10 05/03/2018 04:37:29 -68.20, -70.59 127.58 05/03/2018 04:36:52 -68.17, -70.57 127.60 3.12 37
11 05/05/2018 19:13:08 -68.91, 69.61 127.61 05/05/2018 19:14:18 -68.83, 70.83 127.69 49.42 70
12 05/05/2018 20:03:42 68.27,-122.23 51.74 05/05/2018 20:03:53 68.28,-122.21 51.74 1.24 11
13 05/05/2018 20:54:23 -68.11, 45.29 128.43 05/05/2018 20:53:24 -68.12, 45.23 128.43 2.29 59

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/24/2018
SNOs_Map_NPP_TERRA_20180424.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/24/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service