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 06/20/2018 05:28:02 67.50, 97.62 43.95 06/20/2018 05:26:53 67.56, 96.26 44.03 57.93 69
2 06/22/2018 20:03:41 68.31,-122.25 44.78 06/22/2018 20:04:15 68.31,-122.26 44.78 0.64 34
3 06/22/2018 20:54:22 -68.19, 45.23 135.34 06/22/2018 20:53:45 -68.21, 45.25 135.33 2.22 37
4 06/25/2018 11:30:01 -68.94,-174.62 134.52 06/25/2018 11:31:11 -68.79,-173.44 134.70 50.06 70
5 06/25/2018 12:20:35 68.27, -6.42 44.80 06/25/2018 12:20:45 68.28, -6.42 44.80 0.96 10
6 06/25/2018 13:11:16 -68.15, 161.06 135.33 06/25/2018 13:10:16 -68.13, 161.03 135.35 2.55 60
7 06/28/2018 03:46:45 -68.37, -58.08 135.01 06/28/2018 03:47:48 -68.37, -58.08 135.01 0.27 63
8 06/28/2018 04:37:29 68.24, 109.40 44.86 06/28/2018 04:37:15 68.25, 109.42 44.87 1.44 14
9 06/28/2018 05:28:03 -67.73, -82.65 135.66 06/28/2018 05:26:51 -67.82, -83.46 135.55 35.34 72
10 06/30/2018 20:03:39 -68.33, 57.75 134.89 06/30/2018 20:04:18 -68.33, 57.75 134.90 0.14 39
11 06/30/2018 20:54:23 68.20,-134.78 44.98 06/30/2018 20:53:45 68.21,-134.75 44.99 1.33 38
12 07/03/2018 11:30:00 68.92, 5.43 45.91 07/03/2018 11:31:10 68.77, 6.53 45.74 47.24 70
13 07/03/2018 12:20:32 -68.30, 173.57 134.73 07/03/2018 12:20:47 -68.29, 173.58 134.74 0.86 15
14 07/03/2018 13:11:16 68.17, -18.96 45.15 07/03/2018 13:10:14 68.17, -18.93 45.14 1.69 62

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/20/2018
SNOs_Map_NPP_TERRA_20180620.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