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: 10/18/2018
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 10/20/2018 19:13:33 68.41,-109.67 78.84 10/20/2018 19:14:10 68.41,-109.73 78.84 2.48 37
2 10/20/2018 20:04:14 -68.28, 57.81 101.28 10/20/2018 20:03:40 -68.30, 57.77 101.26 2.81 34
3 10/23/2018 10:39:53 -69.04,-162.06 99.60 10/23/2018 10:41:03 -68.90,-160.88 99.72 49.32 70
4 10/23/2018 11:30:27 68.37, 6.14 79.76 10/23/2018 11:30:37 68.39, 6.13 79.78 2.33 10
5 10/23/2018 12:21:08 -68.24, 173.62 100.36 10/23/2018 12:20:08 -68.23, 173.58 100.38 2.08 60
6 10/26/2018 02:56:37 -68.47, -45.53 99.24 10/26/2018 02:57:37 -68.50, -45.50 99.21 3.21 60
7 10/26/2018 03:47:21 68.34, 121.95 80.65 10/26/2018 03:47:05 68.32, 121.93 80.63 2.47 16
8 10/26/2018 04:37:53 -67.73, -69.96 99.94 10/26/2018 04:36:42 -67.83, -71.01 99.86 45.50 71
9 10/28/2018 19:13:30 -68.44, 70.28 98.36 10/28/2018 19:14:04 -68.42, 70.30 98.38 1.98 34
10 10/28/2018 20:04:14 68.31,-122.25 81.53 10/28/2018 20:03:31 68.30,-122.21 81.51 2.39 43
11 10/31/2018 10:39:47 68.76, 18.30 82.83 10/31/2018 10:40:58 68.66, 18.84 82.74 24.68 71
12 10/31/2018 11:30:23 -68.36,-173.85 97.56 10/31/2018 11:30:32 -68.35,-173.91 97.58 2.85 9
13 10/31/2018 12:21:07 68.23, -6.38 82.33 10/31/2018 12:19:59 68.22, -6.42 82.31 2.41 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/18/2018
SNOs_Map_NPP_TERRA_20181018.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/18/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service