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: 8/24/2017
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 08/25/2017 10:39:33 68.69, 18.37 57.99 08/25/2017 10:40:45 68.61, 18.87 57.89 22.39 72
2 08/25/2017 11:30:10 -68.33,-173.83 122.37 08/25/2017 11:30:18 -68.33,-173.83 122.38 0.43 8
3 08/25/2017 12:20:54 68.21, -6.37 57.53 08/25/2017 12:19:45 68.22, -6.32 57.53 2.40 69
4 08/28/2017 02:56:25 68.41, 134.51 58.64 08/28/2017 02:57:18 68.41, 134.51 58.64 0.44 53
5 08/28/2017 03:47:07 -68.31, -58.05 121.45 08/28/2017 03:46:48 -68.31, -57.99 121.46 2.62 19
6 08/28/2017 04:37:37 67.44, 110.35 57.68 08/28/2017 04:36:28 67.47, 108.69 57.73 70.72 69
7 08/30/2017 19:13:22 68.40,-109.71 59.58 08/30/2017 19:13:48 68.39,-109.65 59.56 2.63 26
8 08/30/2017 20:04:03 -68.25, 57.81 120.57 08/30/2017 20:03:19 -68.22, 57.79 120.59 2.47 44
9 09/02/2017 10:39:38 -68.66,-161.59 119.21 09/02/2017 10:40:49 -68.58,-161.18 119.29 18.78 71
10 09/02/2017 11:30:18 68.33, 6.14 60.48 09/02/2017 11:30:18 68.36, 6.19 60.50 3.32 0
11 09/02/2017 12:20:58 -68.18, 173.66 119.67 09/02/2017 12:19:48 -68.19, 173.63 119.65 2.11 70
12 09/05/2017 02:56:30 -68.43, -45.53 118.45 09/05/2017 02:57:20 -68.44, -45.48 118.45 2.04 50
13 09/05/2017 03:47:13 68.27, 121.99 61.40 09/05/2017 03:46:48 68.27, 121.96 61.40 1.30 25
14 09/05/2017 04:37:40 -67.36, -69.57 119.51 09/05/2017 04:36:32 -67.38, -71.43 119.47 79.43 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/24/2017
SNOs_Map_NPP_TERRA_20170824.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/24/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service