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: 4/24/2017
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 04/27/2017 10:39:08 -68.82,-161.77 125.26 04/27/2017 10:40:19 -68.74,-160.85 125.35 38.21 71
2 04/27/2017 11:29:44 68.27, 6.26 54.18 04/27/2017 11:29:52 68.29, 6.26 54.20 2.20 8
3 04/27/2017 12:20:25 -68.13, 173.76 125.98 04/27/2017 12:19:23 -68.13, 173.70 125.98 2.78 62
4 04/30/2017 02:55:56 -68.41, -45.45 126.51 04/30/2017 02:56:55 -68.39, -45.39 126.53 3.14 59
5 04/30/2017 03:46:39 68.24, 122.08 53.31 04/30/2017 03:46:23 68.22, 122.05 53.29 2.14 16
6 04/30/2017 04:37:11 -67.61, -69.82 127.34 04/30/2017 04:36:01 -67.67, -70.96 127.27 48.67 70
7 05/02/2017 19:12:50 -68.32, 70.43 127.40 05/02/2017 19:13:26 -68.32, 70.39 127.41 1.74 36
8 05/02/2017 20:03:34 68.21,-122.11 52.47 05/02/2017 20:02:53 68.20,-122.10 52.47 0.94 41
9 05/05/2017 10:39:10 68.76, 18.30 52.28 05/05/2017 10:40:21 68.67, 19.07 52.18 32.76 71
10 05/05/2017 11:29:45 -68.29,-173.76 128.21 05/05/2017 11:29:56 -68.29,-173.76 128.21 0.30 11
11 05/05/2017 12:20:29 68.18, -6.31 51.67 05/05/2017 12:19:23 68.17, -6.25 51.66 2.22 66
12 05/08/2017 02:55:57 68.36, 134.60 51.13 05/08/2017 02:56:55 68.36, 134.57 51.13 1.66 58
13 05/08/2017 03:46:39 -68.26, -57.95 128.98 05/08/2017 03:46:25 -68.26, -57.92 128.99 1.65 14
14 05/08/2017 04:37:12 67.56, 110.23 50.31 05/08/2017 04:36:02 67.58, 108.94 50.33 55.10 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/24/2017
SNOs_Map_NPP_TERRA_20170426.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/24/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service