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: 6/19/2018
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 03:46:47 68.33, 121.95 44.80 06/20/2018 03:47:45 68.36, 121.92 44.82 3.01 58
2 06/20/2018 04:37:28 -68.21, -70.57 135.33 06/20/2018 04:37:16 -68.20, -70.64 135.34 2.98 12
3 06/20/2018 05:28:02 67.53, 97.58 43.98 06/20/2018 05:26:52 67.58, 96.29 44.05 55.00 70
4 06/22/2018 20:03:42 68.35,-122.29 44.82 06/22/2018 20:04:15 68.33,-122.23 44.80 2.61 33
5 06/22/2018 20:54:22 -68.17, 45.26 135.37 06/22/2018 20:53:46 -68.18, 45.21 135.35 2.26 36
6 06/25/2018 11:30:01 -68.92,-174.59 134.54 06/25/2018 11:31:11 -68.81,-173.41 134.68 48.57 70
7 06/25/2018 12:20:35 68.25, -6.39 44.78 06/25/2018 12:20:46 68.25, -6.46 44.77 2.72 11
8 06/25/2018 13:11:16 -68.13, 161.09 135.36 06/25/2018 13:10:16 -68.15, 161.06 135.33 3.19 60
9 06/28/2018 03:46:45 -68.40, -58.12 134.97 06/28/2018 03:47:47 -68.39, -58.06 134.99 2.78 62
10 06/28/2018 04:37:28 68.22, 109.43 44.84 06/28/2018 04:37:15 68.21, 109.37 44.84 2.24 13
11 06/28/2018 05:28:02 -67.71, -82.62 135.68 06/28/2018 05:26:51 -67.78, -83.49 135.59 37.70 71
12 06/30/2018 20:03:39 -68.37, 57.70 134.86 06/30/2018 20:04:17 -68.35, 57.77 134.88 3.18 38
13 06/30/2018 20:54:22 68.18,-134.75 44.96 06/30/2018 20:53:45 68.17,-134.80 44.95 2.39 37

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/19/2018
SNOs_Map_NPP_TERRA_20180619.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/19/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service