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: 2/16/2019
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 02/17/2019 18:22:37 68.98, -97.84 80.85 02/17/2019 18:23:47 68.85, -96.57 80.68 52.76 70
2 02/17/2019 19:13:08 -68.31, 70.36 99.85 02/17/2019 19:13:25 -68.30, 70.38 99.87 1.85 17
3 02/17/2019 20:03:52 68.18,-122.16 80.00 02/17/2019 20:02:52 68.19,-122.11 80.01 2.53 60
4 02/20/2019 10:39:20 68.39, 18.71 79.29 02/20/2019 10:40:25 68.36, 18.71 79.26 3.03 65
5 02/20/2019 11:30:01 -68.26,-173.80 100.86 02/20/2019 11:29:55 -68.26,-173.78 100.86 0.90 6
6 02/20/2019 12:20:39 67.80, -5.92 78.66 02/20/2019 12:19:27 67.86, -6.60 78.75 29.37 72
7 02/23/2019 02:56:12 68.34, 134.55 78.27 02/23/2019 02:56:54 68.33, 134.54 78.25 1.67 42
8 02/23/2019 03:46:53 -68.21, -57.97 101.88 02/23/2019 03:46:24 -68.23, -57.94 101.86 2.23 29
9 02/25/2019 18:22:36 -69.23, 81.83 101.79 02/25/2019 18:23:44 -69.14, 83.79 101.94 78.03 68
10 02/25/2019 19:13:05 68.30,-109.62 77.23 02/25/2019 19:13:24 68.30,-109.62 77.23 0.23 19
11 02/25/2019 20:03:46 -68.17, 57.87 102.92 02/25/2019 20:02:55 -68.15, 57.83 102.93 2.26 51
12 02/28/2019 10:39:15 -68.43,-161.33 103.63 02/28/2019 10:40:27 -68.40,-161.27 103.67 4.24 72
13 02/28/2019 11:29:58 68.25, 6.21 76.18 02/28/2019 11:29:54 68.28, 6.23 76.20 2.65 4
14 02/28/2019 12:20:38 -68.07, 173.77 104.03 02/28/2019 12:19:26 -68.07, 173.62 104.02 6.36 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/16/2019
SNOs_Map_NPP_TERRA_20190217.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/16/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service