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: 9/9/2017
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 09/10/2017 10:39:40 68.42, 18.70 63.54 09/10/2017 10:40:49 68.43, 18.65 63.54 2.26 69
2 09/10/2017 11:30:22 -68.34,-173.87 116.54 09/10/2017 11:30:19 -68.32,-173.84 116.56 1.83 3
3 09/10/2017 12:21:02 67.99, -6.13 63.13 09/10/2017 12:19:49 68.04, -6.53 63.18 17.70 73
4 09/13/2017 02:56:37 68.42, 134.46 64.56 09/13/2017 02:57:18 68.40, 134.49 64.53 3.22 41
5 09/13/2017 03:47:18 -68.28, -58.04 115.58 09/13/2017 03:46:48 -68.29, -58.01 115.57 1.49 30
6 09/15/2017 18:23:00 -69.14, 81.96 113.71 09/15/2017 18:24:09 -69.01, 83.49 113.85 62.49 69
7 09/15/2017 19:13:31 68.32,-109.64 65.48 09/15/2017 19:13:46 68.34,-109.70 65.50 3.05 15
8 09/15/2017 20:04:13 -68.23, 57.79 114.60 09/15/2017 20:03:16 -68.23, 57.81 114.60 0.71 57
9 09/18/2017 10:39:44 -68.45,-161.35 113.37 09/18/2017 10:40:47 -68.43,-161.35 113.39 2.71 63
10 09/18/2017 11:30:28 68.33, 6.12 66.53 09/18/2017 11:30:14 68.31, 6.15 66.51 2.78 14
11 09/18/2017 12:21:02 -67.81, 174.09 113.98 09/18/2017 12:19:50 -67.87, 173.27 113.92 34.89 72
12 09/21/2017 02:56:40 -68.41, -45.53 112.37 09/21/2017 02:57:15 -68.38, -45.52 112.40 3.31 35
13 09/21/2017 03:47:23 68.24, 122.00 67.48 09/21/2017 03:46:42 68.26, 121.98 67.50 2.83 41
14 09/23/2017 18:22:58 68.68, -97.44 68.94 09/23/2017 18:24:09 68.64, -96.95 68.89 20.23 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/9/2017
SNOs_Map_NPP_TERRA_20170910.jpg

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

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service