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: 9/14/2017
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 09/15/2017 18:23:01 -69.16, 81.92 113.68 09/15/2017 18:24:10 -69.04, 83.52 113.81 64.92 69
2 09/15/2017 19:13:32 68.34,-109.67 65.50 09/15/2017 19:13:47 68.37,-109.67 65.53 3.26 15
3 09/15/2017 20:04:13 -68.21, 57.83 114.62 09/15/2017 20:03:18 -68.21, 57.78 114.62 2.26 55
4 09/18/2017 10:39:45 -68.48,-161.38 113.35 09/18/2017 10:40:49 -68.46,-161.33 113.37 2.99 64
5 09/18/2017 11:30:28 68.29, 6.16 66.49 09/18/2017 11:30:17 68.28, 6.11 66.48 2.70 11
6 09/18/2017 12:21:04 -67.89, 173.99 113.91 09/18/2017 12:19:52 -67.90, 173.29 113.90 29.52 72
7 09/21/2017 02:56:40 -68.43, -45.55 112.35 09/21/2017 02:57:17 -68.41, -45.50 112.37 2.67 37
8 09/21/2017 03:47:23 68.25, 121.99 67.49 09/21/2017 03:46:45 68.24, 121.93 67.47 2.44 38
9 09/23/2017 18:23:01 68.85, -97.66 69.10 09/23/2017 18:24:11 68.74, -96.85 69.00 34.67 70
10 09/23/2017 19:13:36 -68.39, 70.27 111.35 09/23/2017 19:13:46 -68.36, 70.32 111.38 3.15 10
11 09/23/2017 20:04:19 68.21,-122.19 68.49 09/23/2017 20:03:14 68.19,-122.25 68.46 3.20 65
12 09/26/2017 10:39:50 68.43, 18.66 69.73 09/26/2017 10:40:44 68.46, 18.68 69.75 2.84 54
13 09/26/2017 11:30:31 -68.29,-173.84 110.40 09/26/2017 11:30:15 -68.30,-173.87 110.39 1.85 16
14 09/26/2017 12:21:02 67.47, -5.51 68.80 09/26/2017 12:19:53 67.56, -7.08 68.88 68.01 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/14/2017
SNOs_Map_NPP_TERRA_20170914.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/14/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service