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: 4/26/2019
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 04/28/2019 02:55:55 68.39, 134.55 54.25 04/28/2019 02:57:07 68.36, 134.53 54.22 3.10 72
2 04/28/2019 03:46:36 -68.25, -57.95 125.91 04/28/2019 03:46:37 -68.25, -57.98 125.91 1.03 1
3 04/28/2019 04:37:18 68.02, 109.65 53.85 04/28/2019 04:36:06 68.03, 109.42 53.87 9.89 72
4 04/30/2019 19:12:51 68.34,-109.63 53.37 04/30/2019 19:13:37 68.32,-109.65 53.34 3.04 46
5 04/30/2019 20:03:32 -68.20, 57.88 126.80 04/30/2019 20:03:07 -68.21, 57.85 126.79 1.51 25
6 04/30/2019 20:53:58 67.10,-133.48 52.10 04/30/2019 20:52:51 67.14,-135.71 52.15 96.33 67
7 05/03/2019 10:39:18 -69.27,-162.42 126.49 05/03/2019 10:40:25 -69.15,-160.38 126.62 81.60 67
8 05/03/2019 11:29:46 68.30, 6.19 52.52 05/03/2019 11:30:05 68.32, 6.23 52.54 2.83 19
9 05/03/2019 12:20:27 -68.15, 173.70 127.65 05/03/2019 12:19:36 -68.16, 173.67 127.64 1.63 51
10 05/06/2019 02:55:58 -68.37, -45.44 128.18 05/06/2019 02:57:08 -68.37, -45.47 128.18 1.42 70
11 05/06/2019 03:46:42 68.26, 122.01 51.71 05/06/2019 03:46:35 68.26, 122.04 51.71 1.18 7
12 05/06/2019 04:37:20 -67.94, -70.27 128.63 05/06/2019 04:36:08 -67.99, -70.65 128.58 16.57 72
13 05/08/2019 19:12:54 -68.33, 70.38 128.96 05/08/2019 19:13:38 -68.31, 70.33 128.98 2.88 44
14 05/08/2019 20:03:38 68.22,-122.17 50.93 05/08/2019 20:03:05 68.20,-122.16 50.90 2.86 33

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/26/2019
SNOs_Map_NPP_TERRA_20190426.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/26/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service