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: 6/18/2018
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 06/20/2018 03:46:48 68.37, 121.91 44.83 06/20/2018 03:47:45 68.38, 121.95 44.85 2.64 57
2 06/20/2018 04:37:29 -68.24, -70.61 135.29 06/20/2018 04:37:16 -68.23, -70.61 135.31 1.90 13
3 06/20/2018 05:28:02 67.51, 97.60 43.96 06/20/2018 05:26:52 67.61, 96.32 44.08 55.65 70
4 06/22/2018 20:03:42 68.32,-122.26 44.79 06/22/2018 20:04:16 68.31,-122.26 44.78 1.46 34
5 06/22/2018 20:54:22 -68.20, 45.22 135.34 06/22/2018 20:53:45 -68.21, 45.25 135.32 1.93 37
6 06/25/2018 11:30:01 -68.95,-174.62 134.51 06/25/2018 11:31:11 -68.80,-173.44 134.69 50.53 70
7 06/25/2018 12:20:35 68.28, -6.43 44.80 06/25/2018 12:20:45 68.29, -6.42 44.81 0.83 10
8 06/25/2018 13:11:16 -68.15, 161.05 135.33 06/25/2018 13:10:16 -68.13, 161.04 135.35 2.17 60
9 06/28/2018 03:46:45 -68.37, -58.08 135.00 06/28/2018 03:47:48 -68.38, -58.07 135.00 1.15 63
10 06/28/2018 04:37:29 68.24, 109.39 44.87 06/28/2018 04:37:15 68.26, 109.43 44.88 2.24 14
11 06/28/2018 05:28:03 -67.73, -82.65 135.65 06/28/2018 05:26:52 -67.77, -83.51 135.60 36.35 71
12 06/30/2018 20:03:39 -68.33, 57.75 134.90 06/30/2018 20:04:18 -68.35, 57.77 134.88 2.39 39
13 06/30/2018 20:54:23 68.20,-134.78 44.98 06/30/2018 20:53:45 68.23,-134.74 45.00 3.04 38

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/18/2018
SNOs_Map_NPP_TERRA_20180618.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/18/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service