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: 6/20/2018
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 06/22/2018 20:03:41 68.30,-122.23 44.77 06/22/2018 20:04:15 68.32,-122.25 44.79 2.46 34
2 06/22/2018 20:54:22 -68.18, 45.24 135.35 06/22/2018 20:53:46 -68.17, 45.20 135.37 2.37 36
3 06/25/2018 11:30:01 -68.93,-174.60 134.53 06/25/2018 11:31:11 -68.81,-173.42 134.68 49.32 70
4 06/25/2018 12:20:35 68.26, -6.41 44.78 06/25/2018 12:20:46 68.24, -6.47 44.76 3.22 11
5 06/25/2018 13:11:16 -68.14, 161.07 135.35 06/25/2018 13:10:16 -68.14, 161.05 135.34 1.30 60
6 06/28/2018 03:46:45 -68.36, -58.06 135.02 06/28/2018 03:47:49 -68.34, -58.13 135.05 3.56 64
7 06/28/2018 04:37:29 68.22, 109.42 44.85 06/28/2018 04:37:16 68.21, 109.38 44.84 2.05 13
8 06/28/2018 05:28:03 -67.72, -82.63 135.67 06/28/2018 05:26:52 -67.78, -83.50 135.59 37.11 71
9 06/30/2018 20:03:38 -68.32, 57.77 134.91 06/30/2018 20:04:18 -68.31, 57.71 134.93 2.52 40
10 06/30/2018 20:54:22 68.19,-134.76 44.96 06/30/2018 20:53:45 68.18,-134.79 44.96 1.32 37
11 07/03/2018 11:30:00 68.90, 5.45 45.89 07/03/2018 11:31:10 68.81, 6.58 45.77 46.13 70
12 07/03/2018 12:20:32 -68.28, 173.59 134.75 07/03/2018 12:20:48 -68.27, 173.55 134.76 1.99 16
13 07/03/2018 13:11:16 68.15, -18.94 45.12 07/03/2018 13:10:15 68.14, -18.95 45.12 1.07 61

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/20/2018
SNOs_Map_NPP_TERRA_20180621.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/20/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service