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: 9/30/2017
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 10/01/2017 18:23:01 -68.74, 82.58 107.90 10/01/2017 18:24:12 -68.69, 83.07 107.95 20.56 71
2 10/01/2017 19:13:41 68.39,-109.65 71.77 10/01/2017 19:13:42 68.41,-109.63 71.79 2.46 1
3 10/01/2017 20:04:22 -68.26, 57.83 108.35 10/01/2017 20:03:13 -68.25, 57.81 108.37 1.51 69
4 10/04/2017 10:39:50 -68.44,-161.27 107.16 10/04/2017 10:40:43 -68.46,-161.33 107.14 3.43 53
5 10/04/2017 11:30:35 68.36, 6.14 72.78 10/04/2017 11:30:10 68.34, 6.18 72.76 2.33 25
6 10/04/2017 12:21:02 -67.48, 174.56 108.09 10/04/2017 12:19:53 -67.51, 172.85 108.07 72.97 69
7 10/07/2017 02:06:20 69.40, 145.87 74.82 10/07/2017 02:07:27 69.32, 148.01 74.76 84.53 67
8 10/07/2017 02:56:45 -68.41, -45.47 106.16 10/07/2017 02:57:11 -68.44, -45.46 106.13 3.48 26
9 10/07/2017 03:47:29 68.28, 122.01 73.73 10/07/2017 03:46:39 68.27, 121.97 73.71 2.14 50
10 10/09/2017 18:22:59 68.52, -97.17 74.97 10/09/2017 18:24:09 68.52, -97.12 74.96 1.95 70
11 10/09/2017 19:13:40 -68.39, 70.33 105.16 10/09/2017 19:13:40 -68.36, 70.32 105.19 2.93 0
12 10/09/2017 20:04:21 68.10,-122.00 74.57 10/09/2017 20:03:09 68.13,-122.31 74.59 13.51 72
13 10/12/2017 10:39:53 68.45, 18.69 75.91 10/12/2017 10:40:38 68.43, 18.65 75.88 3.23 45
14 10/12/2017 11:30:34 -68.32,-173.82 104.22 10/12/2017 11:30:08 -68.33,-173.84 104.21 1.70 26

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/30/2017
SNOs_Map_NPP_TERRA_20170930.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/30/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service