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: 3/16/2018
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 03/18/2018 19:12:43 -68.29, 70.48 111.05 03/18/2018 19:13:33 -68.31, 70.42 111.04 3.05 50
2 03/18/2018 20:03:28 68.21,-122.11 68.86 03/18/2018 20:03:00 68.19,-122.07 68.84 2.95 28
3 03/18/2018 20:53:53 -67.22, 46.42 112.18 03/18/2018 20:52:45 -67.25, 44.49 112.10 83.25 68
4 03/21/2018 10:39:13 69.21, 17.69 68.86 03/21/2018 10:40:20 69.10, 19.66 68.70 78.89 67
5 03/21/2018 11:29:39 -68.27,-173.73 112.14 03/21/2018 11:30:03 -68.28,-173.73 112.13 1.16 24
6 03/21/2018 12:20:23 68.14, -6.26 67.72 03/21/2018 12:19:30 68.16, -6.23 67.74 2.49 53
7 03/24/2018 02:55:53 68.34, 134.63 66.89 03/24/2018 02:57:03 68.35, 134.60 66.89 1.64 70
8 03/24/2018 03:46:35 -68.25, -57.94 113.22 03/24/2018 03:46:33 -68.25, -57.89 113.22 1.97 2
9 03/24/2018 04:37:15 67.91, 109.80 66.43 03/24/2018 04:36:03 67.96, 109.42 66.49 16.78 72
10 03/26/2018 19:12:48 68.33,-109.59 65.82 03/26/2018 19:13:32 68.31,-109.56 65.80 1.82 44
11 03/26/2018 20:03:29 -68.18, 57.92 114.35 03/26/2018 20:03:03 -68.16, 57.88 114.36 2.67 26
12 03/29/2018 10:39:15 -69.23,-162.34 114.29 03/29/2018 10:40:22 -69.12,-160.33 114.44 80.66 67
13 03/29/2018 11:29:43 68.26, 6.26 64.71 03/29/2018 11:30:02 68.28, 6.27 64.72 1.53 19
14 03/29/2018 12:20:24 -68.11, 173.77 115.47 03/29/2018 12:19:33 -68.12, 173.72 115.45 2.54 51

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/16/2018
SNOs_Map_NPP_TERRA_20180316.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/16/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service