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: 9/11/2017
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 09/13/2017 02:56:36 68.39, 134.51 64.52 09/13/2017 02:57:18 68.40, 134.49 64.53 1.30 42
2 09/13/2017 03:47:18 -68.30, -58.06 115.55 09/13/2017 03:46:48 -68.29, -58.01 115.57 2.80 30
3 09/15/2017 18:23:01 -69.16, 81.93 113.69 09/15/2017 18:24:10 -69.04, 83.52 113.81 64.52 69
4 09/15/2017 19:13:33 68.39,-109.73 65.55 09/15/2017 19:13:47 68.37,-109.66 65.53 3.53 14
5 09/15/2017 20:04:13 -68.20, 57.84 114.63 09/15/2017 20:03:18 -68.21, 57.78 114.62 2.81 55
6 09/18/2017 10:39:45 -68.47,-161.37 113.35 09/18/2017 10:40:49 -68.45,-161.33 113.37 2.40 64
7 09/18/2017 11:30:28 68.29, 6.17 66.49 09/18/2017 11:30:17 68.28, 6.11 66.48 2.59 11
8 09/18/2017 12:21:04 -67.88, 174.00 113.91 09/18/2017 12:19:52 -67.90, 173.29 113.90 29.75 72
9 09/21/2017 02:56:40 -68.42, -45.55 112.36 09/21/2017 02:57:17 -68.41, -45.50 112.37 2.34 37
10 09/21/2017 03:47:23 68.25, 121.99 67.48 09/21/2017 03:46:45 68.24, 121.94 67.47 2.38 38
11 09/23/2017 18:23:01 68.85, -97.66 69.10 09/23/2017 18:24:11 68.74, -96.85 69.00 34.91 70
12 09/23/2017 19:13:36 -68.38, 70.28 111.36 09/23/2017 19:13:46 -68.36, 70.32 111.38 3.03 10
13 09/23/2017 20:04:19 68.21,-122.19 68.49 09/23/2017 20:03:14 68.19,-122.24 68.46 3.23 65

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/11/2017
SNOs_Map_NPP_TERRA_20170911.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/11/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service