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: 4/28/2018
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 04/30/2018 11:29:52 68.34, 6.13 53.39 04/30/2018 11:30:50 68.32, 6.11 53.37 2.52 58
2 04/30/2018 12:20:33 -68.19, 173.64 126.77 04/30/2018 12:20:20 -68.21, 173.62 126.76 2.32 13
3 04/30/2018 13:11:07 67.54, -18.24 52.56 04/30/2018 13:09:57 67.55, -19.51 52.57 54.03 70
4 05/03/2018 03:46:47 68.31, 121.94 52.56 05/03/2018 03:47:22 68.29, 121.94 52.53 2.48 35
5 05/03/2018 04:37:28 -68.16, -70.55 127.61 05/03/2018 04:36:52 -68.18, -70.55 127.59 2.63 36
6 05/05/2018 19:13:09 -68.98, 69.52 127.54 05/05/2018 19:14:18 -68.87, 70.88 127.66 55.81 69
7 05/05/2018 20:03:42 68.28,-122.25 51.75 05/05/2018 20:03:54 68.25,-122.23 51.72 3.12 12
8 05/05/2018 20:54:23 -68.13, 45.26 128.42 05/05/2018 20:53:24 -68.15, 45.28 128.39 2.69 59
9 05/08/2018 11:29:53 -68.36,-173.89 128.90 05/08/2018 11:30:58 -68.39,-173.85 128.88 3.37 65
10 05/08/2018 12:20:36 68.20, -6.37 50.93 05/08/2018 12:20:26 68.22, -6.40 50.95 2.36 10
11 05/08/2018 13:11:13 -67.83, 161.41 129.46 05/08/2018 13:10:00 -67.89, 160.85 129.39 24.58 73
12 05/11/2018 03:46:47 -68.33, -58.08 129.64 05/11/2018 03:47:29 -68.35, -58.02 129.62 3.07 42
13 05/11/2018 04:37:30 68.17, 109.43 50.20 05/11/2018 04:36:57 68.18, 109.42 50.20 0.74 33

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/28/2018
SNOs_Map_NPP_TERRA_20180428.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/28/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service