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: 8/18/2017
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 08/20/2017 02:56:18 -68.42, -45.47 124.09 08/20/2017 02:57:18 -68.44, -45.44 124.07 2.84 60
2 08/20/2017 03:47:02 68.30, 121.99 55.81 08/20/2017 03:46:46 68.28, 122.01 55.78 2.62 16
3 08/20/2017 04:37:34 -67.67, -69.90 124.83 08/20/2017 04:36:24 -67.72, -71.01 124.75 47.00 70
4 08/22/2017 19:13:14 -68.40, 70.32 123.22 08/22/2017 19:13:48 -68.39, 70.37 123.23 2.24 34
5 08/22/2017 20:03:57 68.23,-122.16 56.63 08/22/2017 20:03:16 68.23,-122.18 56.62 1.11 41
6 08/25/2017 10:39:34 68.74, 18.31 58.04 08/25/2017 10:40:45 68.67, 18.96 57.96 27.50 71
7 08/25/2017 11:30:10 -68.32,-173.82 122.38 08/25/2017 11:30:19 -68.35,-173.81 122.36 2.63 9
8 08/25/2017 12:20:54 68.21, -6.37 57.52 08/25/2017 12:19:47 68.18, -6.36 57.49 3.49 67
9 08/28/2017 02:56:25 68.41, 134.52 58.63 08/28/2017 02:57:20 68.41, 134.51 58.63 0.56 55
10 08/28/2017 03:47:07 -68.30, -58.03 121.46 08/28/2017 03:46:50 -68.31, -57.98 121.46 2.08 17
11 08/28/2017 04:37:38 67.49, 110.29 57.73 08/28/2017 04:36:29 67.52, 108.75 57.78 65.42 69
12 08/30/2017 19:13:22 68.39,-109.70 59.57 08/30/2017 19:13:51 68.37,-109.66 59.55 2.49 29
13 08/30/2017 20:04:03 -68.23, 57.82 120.58 08/30/2017 20:03:22 -68.22, 57.78 120.60 2.50 41

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/18/2017
SNOs_Map_NPP_TERRA_20170819.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/18/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service