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: 8/7/2017
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 08/09/2017 10:39:26 69.03, 17.96 53.24 08/09/2017 10:40:35 68.92, 19.30 53.10 55.08 69
2 08/09/2017 11:29:57 -68.35,-173.81 127.46 08/09/2017 11:30:14 -68.32,-173.81 127.49 2.92 17
3 08/09/2017 12:20:41 68.23, -6.35 52.44 08/09/2017 12:19:41 68.21, -6.30 52.41 3.34 60
4 08/12/2017 02:56:12 68.41, 134.55 53.39 08/12/2017 02:57:14 68.41, 134.55 53.39 0.05 62
5 08/12/2017 03:46:54 -68.31, -58.01 126.70 08/12/2017 03:46:44 -68.31, -57.95 126.71 2.59 10
6 08/12/2017 04:37:29 67.71, 110.05 52.70 08/12/2017 04:36:18 67.80, 109.10 52.81 41.15 71
7 08/14/2017 19:13:09 68.39,-109.66 54.18 08/14/2017 19:13:44 68.40,-109.60 54.19 2.47 35
8 08/14/2017 20:03:50 -68.23, 57.86 125.97 08/14/2017 20:03:15 -68.24, 57.84 125.96 1.21 35
9 08/17/2017 10:39:31 -68.95,-161.95 124.41 08/17/2017 10:40:41 -68.82,-160.85 124.57 46.45 70
10 08/17/2017 11:30:05 68.31, 6.21 54.95 08/17/2017 11:30:15 68.31, 6.18 54.95 1.51 10
11 08/17/2017 12:20:47 -68.20, 173.66 125.15 08/17/2017 12:19:45 -68.21, 173.69 125.14 1.56 62
12 08/20/2017 02:56:17 -68.39, -45.44 124.12 08/20/2017 02:57:17 -68.39, -45.49 124.12 2.39 60
13 08/20/2017 03:47:01 68.28, 122.00 55.79 08/20/2017 03:46:44 68.28, 122.01 55.78 0.86 17
14 08/20/2017 04:37:33 -67.64, -69.87 124.86 08/20/2017 04:36:23 -67.67, -71.06 124.80 50.41 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/7/2017
SNOs_Map_NPP_TERRA_20170807.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/07/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service