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: 2/12/2018
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 02/14/2018 19:12:47 -68.34, 70.41 98.86 02/14/2018 19:13:27 -68.34, 70.45 98.87 1.79 40
2 02/14/2018 20:03:31 68.21,-122.11 80.99 02/14/2018 20:02:54 68.22,-122.05 81.00 3.07 37
3 02/17/2018 10:39:09 69.00, 17.99 80.91 02/17/2018 10:40:18 68.89, 19.38 80.75 56.55 69
4 02/17/2018 11:29:39 -68.28,-173.74 99.86 02/17/2018 11:29:57 -68.30,-173.72 99.85 1.46 18
5 02/17/2018 12:20:23 68.15, -6.26 80.00 02/17/2018 12:19:24 68.17, -6.23 80.03 2.80 59
6 02/20/2018 02:55:50 68.36, 134.63 79.28 02/20/2018 02:56:57 68.34, 134.58 79.26 2.73 67
7 02/20/2018 03:46:31 -68.23, -57.88 100.87 02/20/2018 03:46:27 -68.25, -57.90 100.84 2.84 4
8 02/20/2018 04:37:10 67.82, 109.93 78.71 02/20/2018 04:35:58 67.90, 109.33 78.81 26.37 72
9 02/22/2018 19:12:42 68.36,-109.59 78.31 02/22/2018 19:13:25 68.35,-109.53 78.30 2.28 43
10 02/22/2018 20:03:23 -68.22, 57.90 101.84 02/22/2018 20:02:56 -68.20, 57.92 101.86 2.28 27
11 02/25/2018 10:39:07 -69.33,-162.44 101.65 02/25/2018 10:40:14 -69.21,-160.23 101.85 88.38 67
12 02/25/2018 11:29:34 68.30, 6.26 77.27 02/25/2018 11:29:55 68.30, 6.29 77.26 1.27 21
13 02/25/2018 12:20:15 -68.17, 173.75 102.89 02/25/2018 12:19:26 -68.16, 173.75 102.90 1.09 49

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/12/2018
SNOs_Map_NPP_TERRA_20180212.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/12/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service