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: 6/13/2018
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 06/14/2018 20:03:41 -68.33, 57.72 135.06 06/14/2018 20:04:15 -68.31, 57.74 135.09 2.38 34
2 06/14/2018 20:54:25 68.19,-134.79 44.79 06/14/2018 20:53:42 68.20,-134.75 44.80 1.82 43
3 06/17/2018 11:30:00 68.73, 5.65 45.25 06/17/2018 11:31:11 68.63, 6.37 45.14 31.06 71
4 06/17/2018 12:20:35 -68.28, 173.56 135.21 06/17/2018 12:20:46 -68.25, 173.55 135.24 3.40 11
5 06/17/2018 13:11:19 68.14, -18.96 44.65 06/17/2018 13:10:13 68.13, -18.95 44.64 1.28 66
6 06/20/2018 03:46:48 68.36, 121.91 44.83 06/20/2018 03:47:46 68.34, 121.89 44.80 2.56 58
7 06/20/2018 04:37:29 -68.23, -70.60 135.30 06/20/2018 04:37:16 -68.24, -70.59 135.30 1.28 13
8 06/20/2018 05:28:02 67.50, 97.61 43.96 06/20/2018 05:26:53 67.56, 96.27 44.03 57.44 69
9 06/22/2018 20:03:41 68.32,-122.25 44.79 06/22/2018 20:04:15 68.33,-122.25 44.79 0.91 34
10 06/22/2018 20:54:22 -68.19, 45.23 135.35 06/22/2018 20:53:46 -68.18, 45.21 135.36 1.55 36
11 06/25/2018 11:30:01 -68.94,-174.61 134.53 06/25/2018 11:31:11 -68.82,-173.41 134.67 49.93 70
12 06/25/2018 12:20:35 68.28, -6.42 44.80 06/25/2018 12:20:46 68.25, -6.46 44.77 3.01 11
13 06/25/2018 13:11:16 -68.14, 161.06 135.34 06/25/2018 13:10:16 -68.16, 161.06 135.32 2.15 60

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/13/2018
SNOs_Map_NPP_TERRA_20180614.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/13/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service