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: 9/28/2017
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 09/29/2017 02:56:46 68.38, 134.50 70.72 09/29/2017 02:57:15 68.36, 134.44 70.70 2.92 29
2 09/29/2017 03:47:27 -68.25, -58.02 109.40 09/29/2017 03:46:45 -68.26, -58.05 109.39 1.33 42
3 10/01/2017 18:23:01 -68.70, 82.54 107.94 10/01/2017 18:24:12 -68.65, 83.02 107.99 20.21 71
4 10/01/2017 19:13:41 68.35,-109.69 71.73 10/01/2017 19:13:42 68.36,-109.68 71.74 1.81 1
5 10/01/2017 20:04:22 -68.22, 57.79 108.39 10/01/2017 20:03:13 -68.20, 57.76 108.41 1.87 69
6 10/04/2017 10:39:53 -68.45,-161.36 107.15 10/04/2017 10:40:43 -68.47,-161.31 107.13 3.31 50
7 10/04/2017 11:30:37 68.32, 6.12 72.73 10/04/2017 11:30:11 68.30, 6.12 72.71 2.16 26
8 10/04/2017 12:21:03 -67.38, 174.60 108.18 10/04/2017 12:19:55 -67.41, 172.74 108.17 79.53 68
9 10/07/2017 02:06:22 69.30, 145.93 74.72 10/07/2017 02:07:30 69.17, 147.81 74.60 75.91 68
10 10/07/2017 02:56:49 -68.42, -45.56 106.15 10/07/2017 02:57:12 -68.40, -45.52 106.17 2.81 23
11 10/07/2017 03:47:33 68.29, 121.92 73.74 10/07/2017 03:46:39 68.28, 121.98 73.72 2.83 54
12 10/09/2017 18:23:03 68.48, -97.18 74.92 10/09/2017 18:24:10 68.47, -97.18 74.92 0.32 67
13 10/09/2017 19:13:44 -68.34, 70.32 105.21 10/09/2017 19:13:41 -68.32, 70.27 105.23 3.08 3
14 10/09/2017 20:04:23 67.94,-121.87 74.42 10/09/2017 20:03:11 68.03,-122.43 74.49 25.25 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/28/2017
SNOs_Map_NPP_TERRA_20170928.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/28/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service