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: 9/25/2017
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 09/26/2017 10:39:50 68.43, 18.66 69.73 09/26/2017 10:40:46 68.41, 18.61 69.70 3.40 56
2 09/26/2017 11:30:31 -68.30,-173.85 110.39 09/26/2017 11:30:16 -68.30,-173.88 110.39 1.05 15
3 09/26/2017 12:21:03 67.52, -5.57 68.85 09/26/2017 12:19:54 67.57, -7.08 68.89 64.61 69
4 09/29/2017 02:56:46 68.39, 134.48 70.73 09/29/2017 02:57:15 68.37, 134.45 70.71 2.97 29
5 09/29/2017 03:47:27 -68.26, -58.03 109.39 09/29/2017 03:46:45 -68.27, -58.04 109.39 0.69 42
6 10/01/2017 18:23:02 -68.70, 82.53 107.93 10/01/2017 18:24:14 -68.62, 82.98 108.02 20.81 72
7 10/01/2017 19:13:42 68.36,-109.71 71.74 10/01/2017 19:13:44 68.33,-109.72 71.71 3.22 2
8 10/01/2017 20:04:23 -68.23, 57.78 108.38 10/01/2017 20:03:14 -68.23, 57.80 108.38 0.84 69
9 10/04/2017 10:39:53 -68.46,-161.37 107.14 10/04/2017 10:40:44 -68.47,-161.32 107.13 2.51 51
10 10/04/2017 11:30:36 68.27, 6.17 72.69 10/04/2017 11:30:12 68.29, 6.11 72.70 2.97 24
11 10/04/2017 12:21:04 -67.44, 174.52 108.12 10/04/2017 12:19:55 -67.47, 172.79 108.12 73.81 69
12 10/07/2017 02:06:23 69.37, 145.83 74.78 10/07/2017 02:07:30 69.25, 147.91 74.68 82.65 67
13 10/07/2017 02:56:48 -68.37, -45.50 106.20 10/07/2017 02:57:14 -68.37, -45.56 106.20 2.51 26
14 10/07/2017 03:47:32 68.25, 121.98 73.69 10/07/2017 03:46:41 68.25, 121.94 73.69 1.47 51

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/25/2017
SNOs_Map_NPP_TERRA_20170925.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/25/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service