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: 5/1/2019
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 05/03/2019 10:39:18 -69.23,-162.36 126.53 05/03/2019 10:40:26 -69.15,-160.37 126.62 79.17 68
2 05/03/2019 11:29:47 68.31, 6.18 52.53 05/03/2019 11:30:06 68.32, 6.24 52.54 2.73 19
3 05/03/2019 12:20:28 -68.16, 173.69 127.63 05/03/2019 12:19:37 -68.16, 173.67 127.64 1.06 51
4 05/06/2019 02:55:58 -68.38, -45.45 128.16 05/06/2019 02:57:08 -68.38, -45.46 128.17 0.55 70
5 05/06/2019 03:46:42 68.27, 122.00 51.71 05/06/2019 03:46:35 68.27, 122.05 51.71 1.97 7
6 05/06/2019 04:37:20 -67.96, -70.29 128.61 05/06/2019 04:36:08 -67.99, -70.64 128.58 15.27 72
7 05/08/2019 19:12:54 -68.34, 70.37 128.95 05/08/2019 19:13:38 -68.32, 70.35 128.97 2.29 44
8 05/08/2019 20:03:38 68.22,-122.18 50.93 05/08/2019 20:03:05 68.20,-122.14 50.91 2.62 33
9 05/11/2019 10:39:19 68.99, 17.95 51.02 05/11/2019 10:40:28 68.91, 19.32 50.93 55.44 69
10 05/11/2019 11:29:50 -68.29,-173.81 129.70 05/11/2019 11:30:07 -68.31,-173.79 129.69 1.66 17
11 05/11/2019 12:20:33 68.13, -6.29 50.13 05/11/2019 12:19:35 68.13, -6.35 50.13 2.33 58
12 05/14/2019 02:56:04 68.36, 134.56 49.71 05/14/2019 02:57:06 68.39, 134.56 49.73 3.18 62
13 05/14/2019 03:46:46 -68.25, -57.99 130.41 05/14/2019 03:46:37 -68.23, -58.00 130.43 2.47 9
14 05/14/2019 04:37:22 67.71, 109.99 49.04 05/14/2019 04:36:11 67.72, 109.05 49.05 39.62 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/1/2019
SNOs_Map_NPP_TERRA_20190501.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/01/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service