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: 4/28/2017
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 04/30/2017 02:55:56 -68.38, -45.42 126.54 04/30/2017 02:56:55 -68.40, -45.38 126.52 2.88 59
2 04/30/2017 03:46:40 68.26, 122.05 53.34 04/30/2017 03:46:23 68.24, 122.07 53.31 2.46 17
3 04/30/2017 04:37:12 -67.64, -69.85 127.31 04/30/2017 04:36:01 -67.68, -70.94 127.26 46.32 71
4 05/02/2017 19:12:50 -68.35, 70.40 127.38 05/02/2017 19:13:25 -68.32, 70.40 127.41 3.05 35
5 05/02/2017 20:03:34 68.23,-122.14 52.50 05/02/2017 20:02:52 68.21,-122.08 52.48 3.02 42
6 05/05/2017 10:39:10 68.79, 18.27 52.31 05/05/2017 10:40:20 68.67, 19.08 52.19 34.76 70
7 05/05/2017 11:29:44 -68.26,-173.72 128.24 05/05/2017 11:29:55 -68.29,-173.76 128.22 2.90 11
8 05/05/2017 12:20:28 68.15, -6.26 51.64 05/05/2017 12:19:22 68.18, -6.25 51.67 3.43 66
9 05/08/2017 02:55:58 68.38, 134.58 51.16 05/08/2017 02:56:54 68.40, 134.63 51.17 3.21 56
10 05/08/2017 03:46:39 -68.24, -57.92 129.01 05/08/2017 03:46:25 -68.24, -57.93 129.00 0.97 14
11 05/08/2017 04:37:12 67.52, 110.27 50.27 05/08/2017 04:36:02 67.57, 108.93 50.32 57.25 70
12 05/10/2017 19:12:53 68.36,-109.62 50.42 05/10/2017 19:13:24 68.35,-109.56 50.41 2.87 31
13 05/10/2017 20:03:34 -68.21, 57.88 129.74 05/10/2017 20:02:55 -68.19, 57.88 129.76 2.36 39

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/28/2017
SNOs_Map_NPP_TERRA_20170430.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/28/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service