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: 1/25/2018
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 01/27/2018 02:56:06 -68.34, -45.41 93.22 01/27/2018 02:56:57 -68.33, -45.44 93.24 1.94 51
2 01/27/2018 03:46:50 68.21, 122.07 86.64 01/27/2018 03:46:24 68.22, 122.07 86.64 0.47 26
3 01/27/2018 04:37:16 -67.28, -69.47 94.34 01/27/2018 04:36:08 -67.33, -71.31 94.23 79.36 68
4 01/29/2018 18:22:35 69.37, -98.34 87.15 01/29/2018 18:23:41 69.25, -96.04 86.96 91.27 66
5 01/29/2018 19:12:59 -68.32, 70.39 93.95 01/29/2018 19:13:26 -68.31, 70.42 93.97 2.08 27
6 01/29/2018 20:03:43 68.19,-122.13 85.91 01/29/2018 20:02:53 68.19,-122.07 85.91 2.47 50
7 02/01/2018 10:39:12 68.49, 18.63 85.50 02/01/2018 10:40:24 68.44, 18.83 85.43 9.99 72
8 02/01/2018 11:29:51 -68.25,-173.74 94.76 02/01/2018 11:29:55 -68.28,-173.73 94.74 3.38 4
9 02/01/2018 12:20:35 68.13, -6.27 85.10 02/01/2018 12:19:23 68.11, -6.29 85.09 2.17 72
10 02/04/2018 02:56:03 68.37, 134.57 84.60 02/04/2018 02:56:54 68.35, 134.60 84.57 2.73 51
11 02/04/2018 03:46:43 -68.24, -57.94 95.56 02/04/2018 03:46:23 -68.26, -57.88 95.54 3.15 20
12 02/04/2018 04:37:12 67.30, 110.52 83.47 02/04/2018 04:36:04 67.35, 108.72 83.58 77.10 68
13 02/06/2018 19:12:54 68.31,-109.57 83.72 02/06/2018 19:13:22 68.32,-109.55 83.72 1.33 28
14 02/06/2018 20:03:35 -68.17, 57.92 96.44 02/06/2018 20:02:53 -68.17, 57.90 96.44 1.09 42

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/25/2018
SNOs_Map_NPP_TERRA_20180125.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/25/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service