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: 6/21/2018
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 20:03:42 68.34,-122.28 44.81 06/22/2018 20:04:15 68.34,-122.22 44.81 2.50 33
2 06/22/2018 20:54:22 -68.17, 45.26 135.37 06/22/2018 20:53:46 -68.19, 45.22 135.35 2.86 36
3 06/25/2018 11:30:01 -68.92,-174.58 134.55 06/25/2018 11:31:11 -68.84,-173.39 134.65 48.68 70
4 06/25/2018 12:20:36 68.30, -6.45 44.82 06/25/2018 12:20:46 68.27, -6.43 44.79 3.05 10
5 06/25/2018 13:11:17 -68.18, 161.02 135.31 06/25/2018 13:10:16 -68.17, 161.08 135.31 2.40 61
6 06/28/2018 03:46:45 -68.40, -58.11 134.98 06/28/2018 03:47:48 -68.38, -58.08 135.00 2.23 63
7 06/28/2018 04:37:29 68.26, 109.37 44.89 06/28/2018 04:37:15 68.26, 109.42 44.88 2.12 14
8 06/28/2018 05:28:03 -67.76, -82.68 135.63 06/28/2018 05:26:51 -67.83, -83.45 135.54 33.37 72
9 06/30/2018 20:03:39 -68.35, 57.72 134.87 06/30/2018 20:04:18 -68.37, 57.78 134.87 2.96 39
10 06/30/2018 20:54:22 68.17,-134.74 44.94 06/30/2018 20:53:46 68.19,-134.79 44.96 2.96 36
11 07/03/2018 11:30:01 68.93, 5.41 45.92 07/03/2018 11:31:11 68.84, 6.60 45.80 49.11 70
12 07/03/2018 12:20:33 -68.31, 173.55 134.71 07/03/2018 12:20:49 -68.30, 173.58 134.73 2.14 16
13 07/03/2018 13:11:17 68.19, -18.98 45.16 07/03/2018 13:10:16 68.17, -18.93 45.15 2.68 61

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/21/2018
SNOs_Map_NPP_TERRA_20180622.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/21/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service